Wall Charger Adapter Replacement Spare Part for Haktoys HAK907 RC Quadcopter, HAK448 and HAK622 RC Helicopters Package contents: 1 x Wall charger Input: AC 110-240V 50/60Hz Output: DC 3.7V - 800mA For Haktoys HAK448 4 Channel RC Helicopter, HAK622 3 Channel RC Helicopter and HAK907 17" RC Quadcopter Note: Original packaging for HAK907 Quadcopter comes with a USB charger. This wall charger is compatible with the HAK907 Quadcopter.