Detailed Product Description Specifications: 1. Number of sensor : 2/4/6/8 sensors 2. Kind of Display: LCD 3. Operating voltage: 10.8V-15V 4. Power: 2W(max) 5. Ambient temperature: -30^oC ~ +70^oC 6. Buzzer volume : ≈80db 7. Detection distance : 2.0M(max) 8. Human body detection distance: 1.2-1.5M 9.Verbal alarm function: Provided 10. Temperature display feature: NO 11. Multifunctional alert: Provided 12.Three color provided :red, purple, blue