Fangrui Product Details 1. Dual Technology Motion Sensor Dt-7225 2. Performance: 3. Has Excellent Resistance To False Alarms And The Ability To Capture 4. Easy And Quick Installation 5. Built-in Temperature Compensation And Microwave Anti-jamming Capabilities To Adapt To A Variety Of Hot And Cold Environments 6. K-band Microwave Technology To Further Suppress False Positives, And To Improve The Detector Sensitivity 7. Abs Rugged Durability, Excellent Shock 8. Specifications: 9. Detection Range: 7.6mx9m 10. Power Requirements: 25ma 7.5-16vdc (ul: 8.9-14.5 Vdc) 11. Sensitivity: Detection Of The Normal Pace, As The Region Steps 2-4 12. Microwave Frequency: 24.125ghz 13. Tamper Switch: (nc) 50ma, 24vdc 14. Alarm Relay: Excitation Type A 500ma, 30 Vdc 15. Operating Temperature: -10 Degree ~ 55 Degree, - Relative Humidity Non-condensing 16. Radiated Immunity: 30v M, 10mhz - 1000mhz 17. Anti-white Light: 8,000 Lux