Disqualification function. ¡ñ Wired system , holographic spot real-time report. ¡ñ Unique displacing receiving, transmitting parts with big power. ¡ñ Patented balanced checking, unique digital filtering. ¡ñ Full function checking, self-adaption in environment and trouble locking. ¡ñ Patented coaxial aspherical highly accurate lens with double focus. ¡ñ Unique DSP chip, patented multi-dimensional mistake-corrective code, true detection alarm technology. ¡ñ Adopts solid relay with long usage, non-contact, low voltage and little power consumption. ¡ñ Upper and lower optical mirror adjusting structure simultaneously, faster and more accurate adjustment. ¡ñ Fully air-proof structure. ¡ñ Can adjust beams without opening outer caseModel ABT-20/B ABT-30/B ABT -40/B ABT-60/B ABT-80/B ABT-100/B Outdoor distance 20m 30m 40m 60m 80m 100m Indoor distance 60m 90m 120m 180m 240m 300m beams 2 Optical source Infrared digital pulse mode Response Speed 50¡«700ms Alarm Output NC&NO contact rating AV/DC 30V/0.5A Alarm Output-bus MA bus across wave carrier model voltage DC 9¡«24V£»AC 11¡«18V Current 40mA 40mA 55mA 55mA 65mA 65mA Operation Temperature/ Humidity -25¡æ¡«60¡æ 5%¡«95% Crust Material PC resin tin metal Level Adjustment Axis 180¡ã¡À 90¡ã vertical Adjustment Axis ¡À10¡ã Tamper Output NC contact rating AV/DC 24V/0.5mA Housing material Polycarbonate