Catalog > Consumer Electronics > Security & Alarms > Alarms > Alarm Systems Lifeguard Blue LED Blue LED Lifeguard IDS 862-05-637 IDS Lifeguard blue LED Discontinued Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Features Range: 12 x 12 meters Adjustable 6 or 12 meter range selection Viewing angle: 108° Sealed optics Selectable 1/4 pulse count Quality fresnel lens Automatic Temperature Compensation Tamper output: normally closed Operating voltage: 8 to 18Vdc Current: 15 ±2mA Alarm output: normally closed Alarm period: 2 ±0.5 seconds