- no radialization
- 256*256 codes
- Warning tone & vibration to alarm
- freely set the distance from 0-25M
- Wear collar on the pet, sound alarm when the pet left the owner farther the set distance.
- The collar can shine red or green light in the dark.
- Warning current : 70MA
- Transmitter current : 2MA
- Receiver current : 5MA
- Frequency : 433MHZ