qzyl led lights for bedroom,49.2 feet led strip lights,music sync color changing flexible rope lights with remote app control luces led strips lights for party home decoration...... qzyl product parameters: led type: 5050 rgb led quantity: 360pcs output power: 30w input voltage of adapter. ac 85v to 265v output voltage of adapter: dc 12v remote distance: within 16.4 feet 3 pieces working temperature: minus 20°c to 45°c beam angle: 120 strip light size: 400 3 0.2 centimeter attentions: led strip must be used under 12v remote control must be aligned to the infrared receiver of the controller arrow to arrow: the arrow between the remote controller and the strip must be arrow to arrow. the strip lights are not waterproof and are suitable for indoor,use make sure the surface you are going to paste is clean, flat and dry what's in the package: 3 led strip lights 1 24 key remote control 1 controller 1 power adapter 1 user manual