Smart Alarm Remote ControlSmart Alarm Remote Control 80 Meter Open Field RF Transmission (433Mhz) Arm, Disarm, Home Mode and Panic Function Requires Smart Alarm Hub (ECSPHB) Battery Powered (Supplied) Low Power IndicationTechnical Specification:General Information: Material: ABSOperating Voltage: 1 x CR2025 3V BatteryMinimum Battery Life: 1 Year (dependant on activations)Device Input: 4 buttons - Disarm, Arm, Home Arm, SOSDevice Communication: RF 433 MHz Transmission Distance: 80m (Open field)Dimensions: 3.4mm x 1.1mm x 6.3mmOperating Conditions: -10°C ~ 55°C