Product Description:Condition:100% brand-new， unused， good qualityShock and vibrate are suit for small and extra small dogsLightweight， small receiver box is perfect for small and extra small dogs.Automatically increases tone and shock stimuli as barking persists.Corrective stimuli is received by the collar immediately - no delay.Either correction can be combined with the audible warning sound at the same time or given.No audible warning.Audible warning sound can be used alone and has two levels: soft and loud.Led flash signal light.Shock， vibrate and sound commands are verified by an indicator light.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.Range is up to 300 meters (depending on conditions).Water resistant， rain and snow will not affect operation，however it is not waterproof and should never be submerged.Low battery consumption.Remote power by a 9-volt.Come with Batteries.Color: BlackNet weight: 245 gNylon collarLength:Adjustable between 35cm-51cmNOTE:The remote control and the receiver should match the code，while install the second battery in the receiver，long press the lightning button on remote control for several seconds at the same time. 3~5 seconds later， the receiver and the remote control is matched well.Package Content1 x Receiver.1 x Transmitter.1 x 9v 6F22 battery (use for transmitter).2 x 15mm shock electrodes (use for Long Hair).2 x 10mm shock electrodes (use for Short hair).1 x Black nylon strap collar.1 x Test LED light.1 x English Manual.On Mar-10-15 at 23:41:08 PDT， }