EN1210W-21 commercial grade indoor wireless port or door transmitter with reed switch includes a built-in, side mounted magnetic reed switch, with a magnet that supports a 5/8″ gap.

Internal battery and wireless Nautic Alert XPulse Plus link enables quick installation. Sensor contains tamper detection and is fully supervised by Nautic Alert Insight X2, which includes wireless inactivity and low battery detection.

Typical battery life: 3 to 5 years.