iMeshbean 4 in 1 Remote Control Pet Dog Training Collar with Sound Warning, Electric Shock and Vibration Multi-function (Battery Included) Strong Static Impulse: It can penetrate the hair of the pet or fabric within 6mm thick and can quickly and effectively curb the improper deeds of the pet.(NOTE: It is unnecessary to let the discharging point touch the skin of the pet) Automatical Stop: Both the static impulse and warning functions are set with automatic stop, so it is safe for the pet. Power Saving: With automatic on/off switch on transmitter, it can automatic standby and memory function. (NOTE: It is not water resistant) Four Modes: static shock/ vibration/ beep/ light.Collar: Length-66mm/Height-36mm/Width-38mm ; Power-2pcs 1.5V AAA batteries (in the package) Handset:Length:45mm/Height:123mm/Width:27mm ;Power:1pcs 9V battery;LED signal light and illumination at night ;The sound function for attracting attention