From the Manufacturer
Syma S107G 3.5 Channel RC Helicopter with Gyro in Red color scheme. Flight Control Includes Up/Down, Left/Right Turn and Forward/Backward movements. Includes USB Charger and Spare Tail Blade. For Use Indoors ONLY Due to Infrared Control. Battery Type: Lithium Polymer (LiPO Battery). C Rate: 15C. Volts: 3.7. Capacity: 150mAh. Cell Count: 1S. Continuous Discharge: 15C (2.25A). Watt Hours: 0.56. Motor Type: Brushed. Age Rating: 14+ With Adult Supervision. Charger: USB. Radio: Infrared. Fuel Source: Electric. Length: 8.7 in (220.98mm). Height: 1.5 in (38.1mm). Width/Diameter: 3.9 in (99.06mm).
Syma S107G is equipped with a 4-in-1 infra-red receiver (Gyro, ESC, Mixer, Receiver). This palm size S107 Toy Helicopter (18.5cm long) comes with Aluminum Frame and a Great detail canopy. It is able to move in 3 Direction base on the 3 Channels, anyone can hover it easily. Since it is made with Aluminum Frame, very light weight and almost indestructible in any crash.