Brand N/A Model No Quantity 1 piece(s) per pack Color Blue Material Plastic Specification Small portable and convenient to carry; Widely used in cellphone wallet bag valuables and kids for anti-theft; Multifunction stable distance is adjustable; Anti-lost search and alarm (w/ vibration) auto energy-saving; With 512 codes; Environmental friendly; Frequency is 433MHz; Receiving sense: 100dBm; Receiver: 60 x 36 x 15mm; Transmitter: 44 x 28 x 8mm Certifications No Other Features Put transmitter on anti-theft object / person; then switch on receiver hanging it on the waist or in pocket; The receiver alarm if transmitter is away from it for some distance; Search: Press on button the motor vibrate till close to lost object; Anti-lost distance: 0~15m; receiver: weight: 35.5g Packing List 1 x Transmitter (1 x CR2032 cell battery included) 1 x Receiver (1 x AAA not included) 2 x Keys