1Multifunction: Powerful, integrating lighting, window hammer, magnetic suction, lanyard, bottle opener, Type C interface charging, and whistle. 2Type C Interface Charging: Mini flashlight built in polymer lithium battery, battery powered, Type C interface charging, convenient and simple. 3Multiple Lighting Modes: 3030 type lamp beads, high brightness without dazzling, no ultraviolet rays, multiple lighting modes, can meet different outdoor lighting needs, including high brightness, low brightness, red and blue flashing SOS. 4Keychain Lanyard: Mini and compact, easy to carry, with a keychain lanyard, you can take it with you anywhere, so you can use it anytime. 5Life Grade Waterproof: ABS and aluminum shell, strong impact resistance, life grade waterproof, long service life.