Wireless gap window/door sensor (Using in S-MDC-0210, S-MDC-0211, S-MDC ... -0213, S-MDC-0400, S-MDC-0401) Wireless gap window/door sensor (Using in S-MDC-0210, S-MDC-0211, S-MDC ... will work. When it probes that the moving distance (opening door) is more than 30mm, the indicator light (red) will ... customer's artwork and logo MDC-0301 Wireless gap window/door sensor (Using in S-MDC-0210, S-MDC-0211, S-MDC ...