"Overview:You are looking at a remote control dog training shock & vibrate collar. Its a 4 functional [Instant Static Impulse + Static Impulse after Vibration (warning before static impulse) + Whistle Signal + LED light] remote training collar. It's is an electronic dog training system with a working range up to 800 feet. This compact, easy to operate system will control bad behavior and dogs who run off when taken outdoors for exercise.Features:1. The strong static impulse can penetrate the hair of the pet and fabric within 6mm thick. It is unnecessary to let the discharging point touch the skin of the pet. Therefore it is safe for the pet2. The static impulse can quickly and effectively curb the improper deeds of the pet3. The warning vibration will let the pet associate the vibration with the static impulse. In the end, vibration will achieve the same effect as the static impulse4. Both the static impulse and warning functions are set with automatic rest. This is for not reprimanding the pet continuouslySpecifications:1. 2. Lightweight, small receiver box is perfect for small and extra small dogs3. Automatically increases tone and shock stimuli as barking persists4. Corrective stimuli is received by the collar immediately - no delay5. Either correction can be combined with the audible warning sound at the same time or given6. Without the audible warning7. Audible warning sound can be used alone and has two levels: soft and loud8. Led flash signal light9. Shock, vibrate and sound commands are verified by an indicator light10. Receiver blinks continuously when it is on, and stops blinking temporarily as it is receiving a command, to confirm that the command is being received. 11. Range is up to 300 meters (depending on conditions)12. Water resistant, rain and snow will not affect operation,however it is not waterproof and should never be submerged13. Low battery consumption14. Receiver power by 2 x AAA batteries(Come with Batteries)15. Remote power by a 9-volt16. CE ApprovedMatching Receiver and Transmitter :1. Turn on the transmitter by the switch on right side of it2. Install the batteries for the receiver. The LED insinde the receiver starts to keep flashing. Press vibration or shock button immediately after batteries are put into the receiver firmly. Then the LED will stop flashing and only light which indicates that the transmitter and the receiver have matched each other successfully.3. If LED stops flashing on its own without press any button in the transmitter, tanke out the batteries. Wait for at least 10 Seconds and try step 2 again.4. Put the cover on the receiver firmly5. Attach the receiver to the collarpackage include:1 x Remote Transmitter(with one 9V testing battery)1 x Collar2 x AAA 1.5v battery1 x Receiver1 x Test Light"