Features:

Details: Model Number: A10
Operation range: 300 meters in open area
Melody: 38 pcs
Volume: 3 levels (20 - 85 dB)
Color: White, black
Battery type: 12 V 23A alkaline battery
Power source: AC 100 - 240 V
Transmitter size: 75 x 51 x 20 mm
Receiver size: 95 x 65 x 24 mm
Waterproof grade: IP44
Applicable temperature: -30°C to 70°C