Model Number: G40S Transmission & Control: 2.4GHz RF wireless Remote Control Distance: 10m Amount of keys: 34 keys Power Supply: 2*AAA batteries (NOT included) Working Current: <10mA Standby Current: <20uA Material: Plastic+silicone Color: Black Main Item Size: 170*45*20mm/6.69*1.77*0.78in Main Item Weight: 70g/2.47oz Package Size: 185*55*24mm/7.28*2.16*0.94in Package Weight: 93g/3.28oz