New 1pk 10 LED Super Bright Wireless Motion Sensor Light Instantly add motion-activated light for security and safety; Compact (3" x 3" x 1 3/8") and lightweight (4 oz) with 3 AA batteries installed (batteries not included) lets you install almost anywhere; easy-mounting slot 10 super-bright LED cast pure white light, last for 100,000 hours, sip battery power; Wire-free installation, operates for months on 3 AA batteries (not included); lead-free RoHS-quality The sudden activation startles unwanted visitors but also provides safe entrance and room lighting for your family and guests. The sensor is quite sensitive, very quick to light. An excellent way to add automatic light to dark closets and cabinets Makes a great night light for safer navigation without producing constant light - especially helpful during power outages. Effective range 10-15' front, 15-20' side-to-side, 60-second auto-off ; Outdoor installation should only be done where unit will be protected from direct exposure to elements. Also has constant-on setting when needed