Motion & light sensor: Auto-on up to 10ft in the dark， Auto-off after 15 seconds of no motion detected， ON/OFF/AUTO modesRechargeable lithium battery: last up to 4 hours constantly without charging， last 2 months on auto mode; compatible with power bank， PC USB port， phone charger3 installation modes: built-in strong magnet， vertical hanging slot， 3M dual-adhesive tape， could be hung and stick-on anywhereVersatile: can be used as a flashlight or emergency lighting with ON mode， suitable for bathroom， drawer， hallway， under-cabinet， pantry， corridor， stairway， even in an RV or camping.High brightness: 6 Epistar LEDs， lasts up to 50，000 hours lifespan， eye-friendly and low power consumption