Easily switch between GPS fence mode and remote dog trainer mode. The GPS fence signal range can be set from 30-990 meters. The GPS dog training device has a built-in 1500mAh lithium battery, which has a long standby time. IP66 waterproof rating. Sound + vibration + are three ways to correct dog behavior. The three correction modes can be used individually or in any combination. Colour:Black Material:plastic Package Contents: 1 x GPS Electronic Fence 1 x Collar 1 x USB Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.