1. Material: ABS
2. Weight: the remote control is about 56.5 grams, the receiver is about 45 grams
3. Dimensions: the remote control is about 13x5.3x2.3 cm, the receiver is about 6x3.5x2.5 cm
4. Battery capacity: remote control 300mAh, receiver 650mAh
5. Function: sound, vibration, sound + vibration, flashlight
6. Remote control distance: about 1000M
7. Charging port: USB
8. Application: all dogs
9. Packing list: remote control×1, receiver×2, lanyard×1, collar×2, charging cable×1, manual×1

Features:
1. Three working modes (sound/vibration/sound+vibration)
2. 1 remote control can control 1-2 receivers
3. The vibration level can be adjusted from 1-100 levels
4. With LED light, easy to use
5. LCD screen, clear and bright
6. Simple operation and comfortable to wear