Colour: Black/SilverProduct Weight: 4 ozProduct Length: 4.5 inchProduct Height: 3.9 inchProduct Width/Depth: 1.2 inchBatteries: 3 x AAA Alkaline BatteriesWireless Range: 10-20 metersWorking Environment Temperature: 20~60 degreeWorking Environment: Storage Temperature: 30~70 degree
