Sure-Wave? is recommended for use in barrier-free applications, restrooms, hospitals and clean rooms. Sure-Wave? is also ideal for commercial and industrial applications where hands-free activation is desired, such as drive-up windows, and kitchen doors in restaurants. ? adjustable operating range 1?-26? ? Adjustable time delay 1 ?5 seconds ? Fail-safe/non-fail-safe selectable ? On-board LED for ease of set-up (selectable on/off) ? Super-fast activation response <100ms ? 12/24 V AC/DC ? Excellent performance in all lighting conditions ? Fully shielded against EMI, line voltage spikes and noise ? 12/24V AC/DC operation ? Heavy duty 5 amp relay, for use with all automatic operators and electrified locks ? ROHS compliant