Material Plastic Brand N/A Model X810 Color White Quantity 1 Power Supply 3 x AA batteries (not included) + 2 x CR2032 batteries (included) Remote Controlled distance 100m (open area) Voice Decibels 115dB Battery Type AA / CR2032 Other Easy to install; Suitable for indoor and outdoor; Built-in 16 different chores including alarm bark calling and etc.; Suitable for different occasions; Built-in digital button can adjust volume of chore; Three different working modes for choice: ringing flashing ringing and flashing; Can hang on wall or place on desk; Suitable for family especially for patient or weak people to calling for help; Transmitter has LED indicator light and receiver has low voltage check function reminding you to replace battery Packing List 1 x Transmitter 1 x Receiver 2 x CR2032 batteries 1 x Pack of accessories