1Size:53mm x 21mm
2.Color option: red&blue, red&green,red&white double flicker or single color ficker or three color flicker
3.Shell material: PP
4.Light source: super bright LED light-emitting diode
5. Power supply: 1 pieces of 1# battery
6. Votlage:3v ,current: 45 ma.
7.Automatic induction light switch light: 50 lux.
8.Flash frequency: 1 SE ,flash interval time: 0.2 seconds ,visual range: 3.5 sea miles
9.Working time: affected by the quality of the battery, up to 50 at night ,it does not contain the price of the battery
Packing :100pcs/CTNS 45*31*60cm Net weight:11.5KGS