The 6021 from Elk Products is a white thin, two‑way wireless window sensor designed for use on double‑hung or casement wood/vinyl windows, featuring ELK’s advanced encrypted 902–928 MHz frequency‑hopping communication. It has a built‑in reed switch with a 3/8″ maximum gap, supports a mounting distance of up to 100 ft from its transceiver, and typically delivers three years of battery life from a CR2032 lithium cell.
Features
- White
- 902 Mhz - 928 Mhz frequency hopping
- Maximum operating gap of reed: 3/8”
- Max. recommended mounting distance from receiver: 100 ft.
- 3V CR2032 lithium battery
- Battery Life: 3 years typical
- Size: 1.1”W x 2.3”L x .25”D, Magnet: .37”W x 2.3”L x .25”D
