Material ABS Brand N/A Model 502A Color White + blue Quantity 1 Power Supply Transmitter: 1 x 23A 12V battery (included); Receiver: 2 x AA batteries (not included) Remote Controlled distance 100 meters (open area) Voice Decibels 40dB Battery Type Transmitter: 1 x 23A 12V battery (included); Receiver: 2 x AA batteries (not included) Other Lines grace light touch button can bring you a sense of vision enjoy from lines; Simple vivid and no-wire installation design avoid troubles; Remote control range up to 40 meters in the open area; Suitable for homes and high floor hours; Built-in anti-interference design avoid the interference between users; Built-in double speakers make sound clear especially suitable for home office factories hotel etc.; Please don't touch metal avoid sunshine and rain; Please use high quality alkaline battery; Transmitter working current: Packing List 1 x Transmitter 1 x Receiver 1 x 23A 12V battery