Common issues for not work:

Firstly , please make sure LED Strip is correctly connected . Controller and led strip conjunction part arrow to arrow— LED can turn on when you plug power
Secondly , please make sure led strip in in flashing mode
then you can add device into Tuya APP
how to make led strip flashing ? — please plug and unplug and plug the power adapter for 3 times . then wait for a few seconds . led strip will come to flashing mode

Specification:

Type: Flexible RGB LED Neon light strip
Voltage:DC12V
Waterproof: YES
Strips Width: 6MM*15MM
LED Type: SMD 3535
Strip Length: 1M / 2M / 3M / 4M / 5M
Light Color: RGB
Control by:Buletooth Control or Tuya Wifi Control
Remote Controler:CR2025（Not include battery)

Feature:

【Control】The strip light can be controlled via WiFi connection. The WIFI controller can be controlled wirelessly even if you are not at home, without distance limitation. Controlled by voice LED lights, and used with Alexa and Google Assistant through simple voice control. Just use “turn on/off the light”, “change the color to blue”, “dim/brighten the light” to control.

【Widely used】Color-changing neon lights can be better used as decorative lights for courtyards, houses, RVs, kitchens, bedrooms, bars, office buildings, parties, playing computer games, outdoor, etc., on Halloween, Christmas and Valentine’s Day Create a romantic atmosphere.