Voltage Range:AC 110V-220V
Operating temperature:-10 – 55 degree
Voltage Range:12V 23A battery*1
Operating temperature:-20 – 65 degree
Transmission distance:300 meters in open area
1. Wireless signal will be affected by metal obstructions, walls, concrete, etc. Keep the indoor unit as far away from the cooker, TV, WIFI wireless routers and ect products which have magnetic field or signal interference
2. Our products can reach 300 meters in the open area without any interference when tested. If through the security doors or walls , it can reach 50-200 meters (depending on environment).
3. The more closer of outdoor transmitter and indoor receiver is, the better the signal will be
1. volume adjustment
Shortly press the volume button for once, the volume will increase a grade, total 3 grade, it will change in cycle
2. music selection
Shortly press the music button for once, it will play the next music, 36 in total, it will change in cycle.
Note: When unplugging the indoor receiver, and plug the power again, it will return to the first music.