Cinema Effect: By adding Govee colour LED strip lights TV backlight behind the TV, PC, laptop etc. The TV LED backlights can cover every side of 40-42 inch TVs or cover 3 sides of 46-60 inch TVs. App & Controller, Dual Control Methods: Wireless control via Bluetooth, hassle-free Govee Home App offers multiple scene modes such as morning, dating, movie. Customize Your Lighting: Easily dim / brighten over 16 million colours to decorate your room with TV LED lights. An automatic memory function can easily maintain your favourite settings. Easy to Install: With strong adhesive, support clips and corner wire connector, the TV led strip, made of 4 parts of 50cm light strips, is flexible to stick stable and bend in corners. Safe to Use: Boasts 5V low-consumption working voltage and CE RoHS UL certification.