Traxxas brand LiPo Battery Charger for the Traxxas QR-1 Quad Rotor Helicopter. FEATURES: Plugs into USB port of computer Charges two of the 3.7V 240mAh LiPo batteries used in the QR-1 Two status LEDs YOU WILL RECEIVE: LiPo Battery Charger with USB Cable SPECS: Charger Dimensions: 1.5 x 1.3 x 0.49 (39x34x12.5mm) COMMENTS: Charge only the LiPO batteries supplied with the QR-1 heli. jxs 02/27/13 ir/jxs