The CYMA CM125 AEP electric pistol Powered by battery, made of durable polymer, with under barrel rail. Includes a 30rd magazine, 7.2 500mAh battery and charger. Durable steel gears ensure trouble-free operation of the mechanism. The CM.125 slide does not move only to remove the battery, fires full auto or single fire. The Pistol also has a hop up which is adjustable. Before first use, recharge the battery using the included charger.