Distance outside: 100 meters 300 meters indoors Two optical beams Source: Digital pulse mode infrared Alarm Response Time: 50–700 ms Output: Contact rating for NC&NO 30V/0.5A AV/DC Sound the alarm MA bus across wave carrier model as the output bus Voltage input: DC 9–24V, AC 11–18V 65mA of current Operation Temperature and Humidity: -25°C to 60°C, 5% to 95% PC resin and tin metal make up the crust. Axis for Level Adjustment: 180°± 90° Axis for Vertical Adjustment: ±10° NC contact rating AV/DC 24V/0.5mA is the tamper output. Material for Housing: Polycarbonate