Promotion items/projection mountaineering buckle
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1. With another function of flashlight, promotion gift;
2. Project logo comes out from LED to promote your goods with the focus that comes out from double-convex mirror through optic theory;
3. Materials: crust plastic, 15000-18000wed & 5LED light, whole bright color lantern slide, 4pcs AG3-1.5V batteries, double-convex mirror;
4. Effect: shot can reach 15M in the dark place, with 1M-3M of the LOGO focus is the best.