[Rechargeable battery type safety light security buzzer] A security buzzer that warns of danger not only with "sound" but also with "light" It also demonstrates its power as a small light and crime prevention goods during emergencies such as disasters and camping! ! "Safety lights make it safe to travel at night" The safety light (white) can be selected to flash and turn on regularly or irregularly to alert oncoming traffic. "Security buzzer that you hold and sound" Normally, it prevents accidental operation & a button switch that rings when pressed for 1 second. Stop with a long press of 3 seconds, which is very effective against suspicious people. "Low battery notification & easy charging" Notification light (red) informs you of the charging period & Easy charging with an integrated USB plug structure that does not require a dedicated cable. "High-level waterproof and dustproof (IP66)" It's okay to play in the sandbox or get hit by guerrilla downpours. In the event of a disaster such as a typhoon or earthquake, you can use sound and light to signal your location and presence. Volume: 97dB (measured 1m in front of the main unit) / Continuous ringing time: 130 minutes or more / Continuous flashing time: Approximately 27 hours Charging time: about 100 minutes / Battery used: Lithium-ion battery Waterproof and dustproof performance: IP66 (*Waterproof: level that does not have harmful effects on water jets *Dustproof: Level at which dust does not enter)