... life span UL, CE certificates indoor and outdoor use 1. LED C7 string lights, 25pcs lamps, 5m long2. life time: 80000 hours3. End ... to end extendable, max loading: 20pcs4. available color of led: red, yellow ... , 220V, 230V, 240V6. C6, C9 lamps are availableUL CE certificate LED C7 STRING LIGHTS