Welcome to our product catalog page. Here, you can browse all the products offered by our company. Click on any product to view detailed information and specifications to help you make the best choice.

WiFi Synchronized Clocks

Explore our WiFi synchronized clock series, offering precise time synchronization and modern design. These clocks not only ensure time accuracy but also seamlessly integrate into your smart home or office network.

WHEN Voice

WHEN Voice

An upgraded version of WHEN, a voice-enabled WiFi clock.

  • Hourly chime (4 chime modes/9 chime tones)
  • Alarm with weather updates (47 ringtones)
  • Button-triggered time/weather announcements
  • Multiple voice options
  • 30-level volume adjustment

  • Model: CWT9S20
  • Size: 178x49x24mm
  • Power: 5V TypeC
  • Network: WiFi (2.4G)

WHEN

WHEN

An upgraded version of LittleGreen2, a multifunctional WiFi clock.

  • High time accuracy (supports 1/100-second display)
  • Supports dual time zone polling display
  • Holiday/workday alarm modes
  • Rich settings and customizable display content

  • Model: CWT9S18/CWT9S19
  • Size: 178x49x24mm
  • Power: 5V TypeC
  • Network: WiFi (2.4G)

LittleGreen2

LittleGreen2

A compact WiFi clock.

  • Multiple software version iterations
  • High time accuracy
  • Rich settings and customizable display content

  • Model: CWT9S07
  • Size: 118×48.5x28mm
  • Power: 5V TypeC
  • Network: WiFi (2.4G)

Highlight2

Highlight2

A small WiFi clock.

  • Modular assembly design
  • Comprehensive functionality
  • Rich settings

  • Model: CWT4S08
  • Size: 85×30.5x20mm
  • Power: 5V TypeC
  • Network: WiFi (2.4G)

WiFi Synchronized Electronic Modules

Music Alarm Clock Core Board

Music Alarm Clock Core Board

WiFi high-precision timing music player board, supporting at least 50 groups of independent alarms with rich modes and settings. Supports TF card/USB drive music playback, ideal for DIY music alarms, school/factory bell systems, and musical electric bells.

  • Bilingual (ZH/EN) voice announcement / Westminster chimes / Music alerts
  • Multiple alarm modes with comprehensive settings
  • Supports loop/random playback modes
  • Internal Web configuration portal
  • OTA remote firmware upgrade
  • Onboard 2W amplifier + 3.5mm audio jack
  • Extended data interface

  • Model: CWTNU22
  • Size: 76x50mm
  • Display: Expandable via interface; matching display modules available
  • Power: 5V (Recommended current ≥2A)
  • Network: WiFi (2.4G)
  • Output: UART/1PPS/PLAY signal/Audio port

Universal WiFi Timing Module TMmini

Universal WiFi Timing Module TMmini

A small-sized WiFi timing module, suitable for DIY projects.

  • 9 UART time format outputs
  • Supports external display modules
  • Parameter configuration via web
  • OTA upgrade support
  • Easy integration

  • Model: CWGNS13
  • Size: 36x25mm
  • Display: External display (1 channel)
  • Power: 5V
  • Network: WiFi (2.4G)
  • Output: UART/Level

WiFi Clock Retrofit Board LegoH

WiFi Clock Retrofit Board LegoH

An upgraded version of LegoL, with an additional cascaded display output, supporting more display modules.

  • Built-in web service (LAN browser settings)
  • Outputs 1 and 2 support TM1640/1637/1650 drivers
  • Output 3 supports SM16206 cascading
  • Supports external NTC thermistor and photoresistor
  • Supports external SHT30 temperature and humidity sensor

  • Model: CWTNS15
  • Size: 50x30mm
  • Display: External display (3 channels)
  • Power: 5V
  • Network: WiFi (2.4G)

Clock Module SimpleS+

Clock Module SimpleS+

A WiFi clock module with integrated display.

  • 0.8-inch integrated display
  • UART time output
  • Minimalist design
  • Stable operation

  • Model: CWM4S12
  • Size: 72x16x15mm
  • Display: Integrated (0.8-inch)
  • Power: 5V Micro-USB
  • Network: WiFi (2.4G)
  • Output: UART

WiFi Clock Retrofit Board LegoL

WiFi Clock Retrofit Board LegoL

A modular clock retrofit board that, when paired with specific display boards, enables DIY network clocks of various sizes.

  • Built-in web service (LAN browser settings)
  • Supports 2-channel output
  • Supports light detection

  • Model: CWM4S12
  • Size: 72x16x15mm
  • Display: Integrated (0.8-inch)
  • Power: 5V Micro-USB
  • Network: WiFi (2.4G)
  • Output: UART

Display Modules

Offering 0.28-inch, 0.36-inch, 0.4-inch, 0.56-inch, 0.8-inch, and other digital tube display modules. Click the buttons below for detailed information.

9-Digit Display Module

9-Digit Display Module

Digital tube used in the WHEN series.


  • Model: DC01L3L9
  • Size: 165x40.5mm
  • Driver: TM1640
  • Color: White + Green
  • Power: 5V/3.3V

6-Digit Common Anode Large Digital Tube Driver Board

6-Digit Common Anode Large Digital Tube Driver Board

Code [11], suitable for driving common anode digital tubes above 1.5 inches.


  • Model: [11]
  • Size: 68x34mm
  • Driver: TM1637/GN1637
  • Power: 3.3V + (6-28V)

0.28-inch Digital Tube Module

0.28-inch Digital Tube Module

Code [01], 4-digit common cathode digital tube module with clock dots.


  • Model: [01]
  • Size: 47.4x12.5mm
  • Driver: TM1650/AIP650
  • Power: 3.3V

0.4-inch Digital Tube Module

0.4-inch Digital Tube Module

Code [02], 4-digit common cathode digital tube module with clock dots.


  • Model: [02]
  • Size: 53x16.6mm
  • Driver: TM1650/AIP650
  • Color: White/Blue/Red
  • Power: 3.3V

0.56-inch Digital Tube Module

0.56-inch Digital Tube Module

Code [03], 4-digit common cathode digital tube module with clock dots.


  • Model: [03]
  • Size: 62x20mm
  • Driver: TM1650/AIP650
  • Color: White/Blue/Green/Orange
  • Power: 3.3V

0.8-inch Digital Tube Module

0.8-inch Digital Tube Module

Code [04], 4-digit common cathode digital tube module with clock dots.


  • Model: [04]
  • Size: 84x26mm
  • Driver: TM1650/AIP650
  • Color: White/Red
  • Power: 3.3V

0.36-inch Digital Tube Module

0.36-inch Digital Tube Module

Code [05], 6-digit common anode digital tube module with clock dots.


  • Model: [05]
  • Size: 57x16mm
  • Driver: TM1637/GN1637
  • Color: White/Red
  • Power: 3.3V

0.9-inch LCD Module

0.9-inch LCD Module

Code [50], 0.9-inch LCD watch display.


  • Model: [50]
  • Size: 33x25.5mm
  • Driver: PCF8576C
  • Power: 3.3V

Solutions

We provide complete technical development documentation and full-process support to help customers quickly achieve productization, reduce R&D costs, and enhance product competitiveness. We can also offer core module supply or firmware licensing services according to customer needs.

Multi-Scenario Timed Reminder and Automatic Bell Ringing Solution

Multi-Scenario Timed Reminder and Automatic Bell Ringing Solution

A one-stop WiFi networking solution designed for intelligent timed reminders and automatic bell ringing scenarios. Featuring high-precision timing, easy configuration, and rapid deployment, it helps customers quickly develop professional-grade music alarm clocks, automatic school bells, and timed broadcasting products.

  • WiFi network time synchronization
  • 50+ independent alarms
  • intelligent weekday/holiday adaptation
  • TF card/USB flash drive audio playback
  • single/loop/random playback modes
  • bilingual Chinese/English time announcement
  • Westminster chimes
  • music time reporting
  • Web configuration in Chinese/English/Japanese

    Early Documentation

    Documentation for early clock modules.