- An internal magnetic reed switch contact
- Supervised for low-battery, cover-tamper, and removal from mounting surface tamper conditions.
- Operational up to 5 years using a single user replaceable AAA lithium battery
BOSCH RADION SURFACE CONTACT
RADION contact SM provides a magnetic reed switch contact for monitoring doors and windows. The internal reed contact is activated by an external magnet assembly which can be placed on either side of the transmitter. It also has a built-in wall and cover tamper switch that transmits a tamper signal when someone removes the device from its base or pulls away from the wall.