Model: PD518 - Quantity: 1 piece(s) per pack - Color: Black - Material: Plastic - Suitable Pet: Dog - Function: Vibration + shock + warning sound + LED flashlight + automatic voice control - Remote distance: 400m; - Power on time is about 1.3s faster 1.7s than other training aid; - 0-100 adjustable gears control the strength level of pluse electric shock and vibration for all sized dogs; - Remote controller will asleep after 2mins and auto-off after 4mins w/o using; - Control signal can through wall and other obstacles but will affect effective distance; - The controller can control two receivers at the same time by shifting 1/2 buttons; - Middle button is LED light can be as a flashlight; - The +/- Key is for adjusting the level of electric shock and vibration - Receiver has built-in glare light and can see dog in dark; - Prevents dog biting or destroying receiver for unaccustomedness; - Remote control: 17.5 x 6.5 x 3.5cm; Receiver: 7 x 4 x 3.5cm; - Neck girth of strap: 58cm strap can be adjusted suitable for all dogs - Packing List: - 1 x Remote controller (2 x AAA batteries) - 1 x Receiver (1 x 9V battery) - 1 x Diode - 4 x Screw nuts - 1 x English user manual