Model JF032-2 Quantity 1 piece(s) per pack Color Black Material Quality ABS Suitable Pet Dog Specification 4 different mode: calling shock vibration and light; Built-in 500mA rechargeable battery economic and environmental friendly waterproof; Auto sleeping and awaken energy saving; Small and w/ strap portable Packing List 1 x LED light remote transmitter 2 x Receivers w/ adjustable belt (55cm) 1 x 100~240V Charging adapter (110cm cable) 4 x Short electric shock screw caps 4 x Long electric shock screw caps 2 x Test bulbs 3 x AAA batteries 1 x Remote transmitter (50cm black strap) 1 x English user manual