Specifications Item Number: SH-M5 Detection Method: Magnetic Modulation System, Set Distance 1.2 - 4.7 inches (3 - 12 cm) (between sensors - magnet seat), Detection Response Time 1 - 2 seconds (variable), Power Supply Voltage DC 10 V - 30 V (without polarity), Current Consumption: Less than 38 mA, Alarm Output, Non-voltage relay contact point C contact. Green Alarm Indicator Light Color LED: Alert Light, Unstable Indicator Light, Red LED: Magnetism Sensitivity Unstable Light Memory Indicator Light, Yellow LED: Flashes for 3 minutes after alarm, 47 minutes of illumination, Usable Ambient Temperature: -4 to +112°F (-20°C to 50°C) (No condensation), Installation Location: Indoor: Shutter Winding Case, Duckroom Mounting, Wire Connection, M3 Self-Up Terminal, Weight: Approx. 3 Self-Up Terminal Weight: Approx. 3 Appearance Resin