Adapt for Safety charging for Ipad,tablets or mini laptops Specifications 1.Input power: 100-120V ~ 50/60Hz, 12A 220-240V ~ 50/60Hz, 8A (based on different country) 2.Number of devices it can hold: 0-60PCS Ipad,tablets ,1PCS laptop on top Area. 3.Cooling and ventilation :Four installed cooling fan,Ventilation holes on doors and side panels allow air to circulate to keep the devices cool. 4.Casters Four Ultra-quiet universal caster with locking 5.Warranty: Three year Warranty on the body; one-year warranty on the electrical system. Cords and plugs are not warranted. Product features 1.High-voltage electrical design:Available for 30 units mobile learning terminal with backup space,charging port compatible.controlled by intelligent charging system. 2. Safety charging design :Two charging unit with independent and parallel power supply inside the charging car. 3 .Electrical safety design: provide security protection measures for leakage and all sockets to ensure the safety of users. 4.High quality:our charging carts are adopt whole steel structure .And we control every aspect of the manufacturing process from start to finish to make sure the quality. Packaging Special ordered cases, based on the shape of carts. Product applications Warranty Three-years warranty on the body,one year on the electronic system.Plugs and cords are not warranted Contact us Contact us for more information. Tel:(+86)20-83220848 Mobile:+8613683170386 Skype:bonnieloveday