1. Product Name:Dog training device
2. Material: PU + iron
3. Weight: 340G
4. Color: Black
5. Transmitter size: 132.7*45.5*22.6mm
6. Receiver size: 63*36.6*34.8mm
6. Product features: step by step gear adjustment, voltage from strong to weak, good silicone button, high sensitivity receiving signal, long distance control, waterproof, long use time, long standby