User Manual:

WiFi & RF 1 channel constant voltage single color LED dimmer.

5A output, connect with 5 meters single color LED strip.

Tuya APP cloud control, support on/off, brightness adjust, delay turn on/off light, timer run, scene edit function.

Voice control, support for Amazon Alexa, Google Assistant, Tmall Genie and Xiaodu smart speakers.

3 button operation with on/off and dimming.

Match with 2.4G single zone or multiple zone single color remote control optional.

4096 levels 0-100% dimming smoothly without any ash.

Specification:
Product - Dimmer
Model - WD1(WT)
Input Voltage - 5V-24V
Output Voltage - 5V-24V
Output Current - Max 5A
Output Power - 25W@5V, 60W@12V, 120W@24V
Input Signal - Tuya APP RF 2.4GHz 3 button
Dimming Range - 0 -100%
RF - 2.4GHz
Control Distance - 30m
IP Rating - IP20
Working Temperature - Ta: -30C ~ 50C
Size - 73mm x 35mm x 14mm