Safety Whistle Lantern Referees Electronic Whistle SOS Light Flashlight Emergency Camping Lamp Instructors Whistle - Green/Yellow •The electronic button whistle can avoid mouth contact,and is very suitable for referee coaches,P.E. teachers,navy,outdoor camping,sports competitions,traffic guides,pet training,and self-defense emergencies •There are 3 levels to meet different needs. High volume,can provide up to 120-150dB sound power. It is easy to attract attention. At the same time,compared with traditional whistles,it can also make a louder,stronger and consistent voice •One LED light can be used for lighting,outdoor camping,emergency flashlight and SOS light for outdoor rescue signal •This electronic whistle is made of high-quality ABS environment-friendly materials,tasteless and healthy •The 6F22 dry battery is used for longer service life and durability Specifications: •Power supply mode: dry battery •Battery type: 6F22 9V (not included) •Material: ABS •Product size: 140 * 43 * 33mm Package included: •1 x Electronic Whistle •1 x Lanyard •1 x English User Manual