Working Frequency: 2.4G -2.5G ISM
Modulation Mode: GSFK
Channels/Rate:125 Channels,1M in air
RF Power: < 1mW

  Electrical Parameter: Power: CR2450 battery, DC3V Average Working Current: < 5uA (one-way, 2s transmitting interval),                                                < 18uA (two-way)  Working Time: 4~5 years (2s interval, one-way), 2 year (two-way) Battery is replaceable. Physical Parameter: Dimensions:48mm×37mm×15mm Material: ABS/ ROHS Weight:45g Colour: white/Green Sensor: button, LED lamp(Feature can define by yourself)  Encapsulation: Ultrasonic Environmental Parameter: Working Temperature: -25 °C - +65 °C Storage Temperature: 0 °C - +40 °C Work Moisture:<90%