1. Material: ABS, silicone
2. Remote control/transmitter battery capacity: 300mAh
3. Charging port: USB
4. Applicable objects: dogs over 3 months old
5. Remote control range: about 300-500m
6. 1 drag 1 packing list: remote control x1, receiver x1, collar x1, charging cable x1, conductive column x4, test light x1, manual x1
7. 1 to 2 packing list: remote control x1, receiver x2, collar x2, charging cable x1, conductive column x8, test light x1, manual x1
8. Size: about 13.2 x 4.8 x 2cm for the remote control, about 6.4 x 3.8 x 2.5cm for the receiver

Features:
1. Strong anti-interference ability
2. The remote control distance is long, up to 300-500m, and the signal is stable
3. Waterproof and wear-resistant, does not hurt pet skin
4. USB charging port, convenient and fast
5. The collar is adjustable and the buckle design is convenient to wear
6. Three working modes, sound/sound+vibration/sound+electrostatic pulse mode