Control Range: 6-8m Battery Supply: CR2032/CR2025 Power Consumption: Approx. 50mA at IR transmit Case Material: metal(Aluminium alloy) Keypad Material: plastic Storage Temp.: -40C to +70C Humidity Range: 10% to 90% non-condensing Infrared Frequency: 38KHz, others available IR Formats/Protocol: NEC, RC5, Sony, Matsushita, Mitsubishi, Toshiba, Sharp or any other infrared protocol