1. MCU control 2. Low battery reminder function 3. Automatic temperature compensation technology 4. SMT design, anti-RFI and anti-EMI 5. Low power consumption and long battery life(powered by 3xAAA batteries, not included) 6. Wireless frequency: 315MHz/433MHz/868MHz 7. Elegant appearance, PC material, anti-scratch 8. Red LED light 9. Working voltage: DC 3V 10. Quiescent current: about 20uA 11. Emission current: about 25mA 12. Detection distance: 12m (wide angle) 13. Launch distance: about 120m (open area) 14. Detection angle: 110 degrees 15. Working temperature: -10~+50 degrees Celsius 16. Product size: 10.5x4x2.6cm
