Dimensions: 2.42" x 1.43" x 1.14". SOS strobe. Water resistant. Impact resistant. Weight: 1.27oz. Modes: High (240 lumens, 4h runtime); Low (60 lumens, 10h runtime); Ultralow (6 lumens, 40h runtime). White and red LEDs. 90m beam distance. Multi purpose clip. Reflective, glow in the dark ultra lightweight headband. 90 degree adjustable bracket. Dual button interface. Lockout mode. Requires (1) AA battery (included). PC plastic construction. Color: Black. Hang packaged.