1.38 chord sound music optional deposit (flash)
2.Wireless transmission, easy to install, easy to change battery
3. The transmitter battery, can continue to use more than 24 months
4. Volume can be adjusted, level 5
5.Digital coding matching, neighbors will not ring
6.The receiver power consumption is lower than 0.5 W
7.The volume of 85 decibels (0.5 m)
8.Suitable for stores, shopping malls, supermarkets, convenience stores, monopoly, etc
9.Testing barrier-free cases distance is about 260 meters
2.Wireless transmission, easy to install, easy to change battery
3. The transmitter battery, can continue to use more than 24 months
4. Volume can be adjusted, level 5
5.Digital coding matching, neighbors will not ring
6.The receiver power consumption is lower than 0.5 W
7.The volume of 85 decibels (0.5 m)
8.Suitable for stores, shopping malls, supermarkets, convenience stores, monopoly, etc
9.Testing barrier-free cases distance is about 260 meters
