[Product Features] The transmitter can open or close the electronic fence with a remote control of 200 meters. Size: 19.5*15.5*5.5CM 1. Long-distance wireless remote control electronic fence; 2. Remote control distance. With the transmitter as the center, the maximum distance is 200 meters; 3. The signal strength of the transmitter is steplessly adjustable according to 0-4 gears. 4. The receiver is waterproof, rechargeable, economical and durable; 5. After the dog exceeds the set range of activities, the receiver it wears will automatically start the training function, and press the first sound warning, then the static electricity The stimulating punishment method reminds the dog to return to the safe area. 6. One transmitter can support unlimited multiple receivers to work at the same time without interfering with each other; 7. The transmitter has a digital display, which can intuitively display the current signal strength gear; 8. Code pairing Simple operation and quick function setting. Special reminder: Please fix the transmitter 1.5 meters above the ground without metal walls, so as not to interfere with the wireless signal and affect the remote control distance.