Working voltage: DC 2.7-12V. AM312 Human Sensing Module: Based on passive body infrared technology digital intelligent automatic control products, high sensitivity, reliability, widely used in various types of automatic induction electrical equipment. Low power consumption and small size for easy embedded installation. Sensing range: 100 degree cone angle, 3-5 meters; (depending on the specific lens) Technical parameters: 1. Working voltage: DC 2.7-12V; 2. Static power consumption: <0.1mA; 3. Delay time: 2 seconds; 4. Blocking time: 2 seconds; 5. Trigger mode: repeatable; 6. Sensing range: 100 degree cone angle, 3-5 meters; (depending on the specific lens) 7. Working temperature: -20 - +60 C; 8.PCB dimensions: 10mm*8mm; 9. Module lens: small lens; Package Includes: 3* AM312 Mini Pyroelectric PIR Human Sensor Module