Features
36 high quality melodies for you choose
Adjustable Volume (4 levels), 25-85dB
Long remote control distance to 280 meters (in the open air)
No error when signal transmit, no disturb your neighbors
Optical signal on receiver for elder or disabled people
 
Waterproof transmitter button, can be pressed more than 100, 000 times
 
Different plugs to meet different market standards (Euro/US/UK etc.)
CE, RoHS, FCC available
Clamshell blister standard package, customized package available


Specification
Work Voltage: AC 110V/220V 50Hz/60Hz (range AC 100-240V available)
Work Frequency: 315MHz / 433MHz
Transmitter Size: 20x40x75 mm
Receiver Size:  30x65x100 mm 
Transmitter Power:< 10mW   
Receiver Standby: <1mA
Transmitter battery type: 23A 12V (1 PC, alkaline, standby lifespan: 15 months)