DigiEspow 300M 100LV LCD Remote Dog Pet Training Collar Shock Vibrate .The receiver is water resistant Remote training collar with LCD display. Modes: static / vibrate / beep. Remote range up to 300 meters. 100 levels of vibration. 100 levels of static. The levels can be altered by the up & down button of the transmitter. The transmitter will turn into STANDBY MODE if there is no operation after 2 minutes and turn off after 5 minutes. The receiver is water resistant. Receiver and transmitter are powered by batteries. Adjustable collar strap is suitable for most small and medium dogs. It is for mild-mannered to stubborn disposition dogs. Matching Receiver with Transmitter: 1. Install the batteries (2 x 4LR44/ 6V) in the transmitter and ensure the polarity is correct. 2. Adjust the channel button to the right one you want to stay. 3. Install the batteries (2 x AAA 1.5V) in the receiver. 4. There is a beep right after installing the batteries in the receiver. 5. Press the Launch button from the transmitter to encode the transmitter and the receiver immediately. There is a beep again from the receiver if you encode successfully. 6. Replace cover and tighten metal probes. 7. If there is no response from the receiver, restall the batteries from the receiver and press launch button again. Specifications:Usage: Training & behaviour aids Frequency: 433.825MHz Power supply: Transmitter: 2 x 4LR44/6V batteries (included) Receiver: 2 x AAA/1.5V batteries (included) Strap material: Nylon Adjustable strap length: Approx. 36cm-48cm / 14.2-18.9in Transmitter size: 12.8 * 4.8 * 2.8cm / 5.0 * 1.9 * 1.2in Receiver size: 7 * 3.6 * 3.8cm / 2.8 * 1.4 * 1.2in Package size: 16.5 * 14.5 * 4.5cm / 6.5 * 5.7 * 1.8in Package Details:1 * Receiver 1 * Transmitter 1 * Collar strap 2 * 4LR44/ 6V Batteries 2 * AAA 1.5V Batteries 1 * Test light 2 * Long replacement probes 2 * Short replacement probes 1 * User Manual