300 Meters Remote Range:Works within a distance of 300 Meters.The range will vary depending on terrain, weather, vegetation, as well as the transmission of other radio devices. WaterproofThis product is waterproof, so you can use it in the rain. But it can not be used when swimming because not all parts are waterproof. Baby Features: 1. Four major functions: sound warning, vibration, electric shock, light signal. 2. Signal mode: vibration, beep and light. 3. Remote control plus LED flashlight. The classic design of the remote control digital display, the receiver has become more compact 4. The remote control distance is 300 meters (in the case of open space and no radio interference), but the distance through the wall may be shortened. 5. Vibration and electrostatic pulse stimulation, each mode has 100 speeds to adjust the intensity. 6. LCD digital display makes operation more convenient