Features 1、SMALL ERROR: Accurate sensing of human body, no random reporting, no re reporting in the intelligent sensing area, 15 second interval does not affect life 2、SCIENTIFIC INDUCTION ANGLE: The infrared induction distance is 3 meters, the induction angle is 120 degrees, not affected by light, and reminder is more accurate 3、ACCURATE WITHOUT DELAY: Instantaneous induction refuse delay, accurate perception of moving human body, more accurate reminder 4、SCRATCH RESISTANT ABS: Made of excellent ABS material, possess impact resistance, scratch resistance, environmentally friendly 5、EXCELLENT PERFORMANCE: Made with fine workmanship, possess compact appearance and stable performance, can make sure durability and stability Specification Item Type: Exit Voice Broadcast Reminder Material: ABS Battery Type: 2 x AA battery Package List 1 x Reminder 1 x Double Hook 2 x AA Battery 1 x Adhesive