Name: Doorbell
Color: Black
Material: Plastic
Size: transmitter: 34*18.5*75mm
Receiver: 81*25*81mm
Operating temperature: -30°CC to +70°C
Working frequency: 433.92MHz+280KHz
Receiver voltage: 110-260V/50-60Hz (wide voltage) transmitter battery: 1 x 12V23A alkaline zinc-manganese battery
Peculiarity:
1. High-quality raw materials, durable
2. Waterproof design,