Walkera Ladybird V2 RTF (Ready to Fly) FPV Quadcopter w/ Devo F4 Transmitter. High Quality. Easy to Use. Brought to you by Atomik RC your one stop online RC Shop. Volts: 3.7. Watt Hours: 0.89. Motor Type: Brushed. Batteries: 25C 1S 240mAh 3.7v LiPO. Charger: GA006 5V USB LiPO Charger. Radio: Walkera Devo F4 2.4Ghz FPV Transmitter/Receiver. Fuel Source: Electric. Display Type: LCD. Length: 3.3in (85mm). Height: 1.2 in (30mm). Width/Diameter: 3.3 in (85mm).