--frequency of wireless: 2.4ghz --controlling distance: within 3m(under no special disturbance or obstacle condition) Controller/transmitter --battery: 2*cr2032(non-rechargeable) --shell material: abs --waterproof grade: ipx-5 Reciever --battery:3.7v, 850mah lithium battery(continous working 15h, plug directly power adaptor dc 5v 500mah to charge) --charging time: 4.5h --material: pcba Carton size: 35*35*30cm 10pcs/carton