Two sends,one receiver
Frequency: 433.92 MHz
Antenna transmiter: integral
Antenna receiver: integral
Power supply transmitter: 9V DC(battery)
Power supply receiver: 3V DC(battery)
Modulation: A1D
Transmission mode: simplex
Channels: about 40
Remote distance: 30M
Sound categories: single dingong,
Double dingdong,west Minister, 12 melodies, etc,
QTY: 50PCS/CTN
G.W./N.W.: 14*10KGS
MAES: 56*41.5*22 CM
20'/40': 28,000PCS/57,500PCS