Venom Micro Rescue Helicopter Features Back to Top ^ One cell LiPo battery pack that charges directly off the Infra Red Transmitter Aprox 15 minutes of flight time Overview Back to Top ^ With it’s compact size, the Micro Rescue is perfect for flying indoors or in tight spaces. Specifications Back to Top ^ Length: 7.1" (180mm) Width: 1.2" (30mm) Height: 2.8" (72mm) Main Rotor Diameter: 5.3" (135mm) Tail Rotor: Diameter: 1.2" (31mm)