Lamp and lens combo produces brilliant light visible for over one mile Operates in fresh or salt water Standard length lead wire 18 in (46 cm); custom lengths available Water activated battery has extended useful life with plugs left in place Operating life - Exceeds 8 hours Battery Size: 3.7 x 1.0 x .42 in (9.4 x 2.6 x 1.0 cm) Weight: 1.8 oz (51 g) Material: High impact styrene Color: International orange Operation: Pull tab, immerse in water to activate Beam Angle: Horizontal >2� Vertical >15� Visibility: Lamp and lens combo produces brilliant light visible for over 1 mile (1.6 km) Lamp: Incandescent Battery Type: Cuprous iodide/magnesium Certification: USCG 161.012/22/0 approved; CE Limited Warranty: 1 year Carton Dimensions: 9.0 x 8.0 x 5.0 in Units Per Carton: 25 Carton Weight: 4.0 lbs. (1.8 kg) Operational Life: Exceeds 8 hours