Power supply: 12V battery V23A.
·         Working voltage from 4,5V (low battery) to 12V
·         Channels: 4 channels
·         Operating frequency: 306MHz, 318MHz, 433,92MHz
·         Range: from 30 to 70 meters
·         Absorption: 3mA max. with square wave modulation
·         Irradiated power: 0,13mW to 0,20mW
·         Working temperatures: -15ο to +60ο C
·         Codification Motorola or National
·         Size: 33 X 66 X 15mm, shock resistant ABS