Discover the Bosch EN1210 1-Input Universal Transmitter, designed with versatility in mind. Easily configurable to work as either normally-open or normally-closed, it fits seamlessly into your system needs. Its compact and discreet design makes installation unobtrusive. Fully supervised for reliable operation, the transmitter comes equipped with a battery, tamper-resistant case, and a mounting bracket for secure setup. Leveraging a unique wireless protocol, it guarantees top-notch performance and steadfast reliability. Enhance your security setup today with this dependable transmitter.