Factory Price Emergency Inverter LED Emergency Light Kit Emergency Driver for Triproof Light Down Light Ceiling Light Highbay Light Panel Light. Self-Diagnostic Function: Features self-diagnostic capabilities and constant-power output for stable emergency illumination. Multi-Protection Technology: Includes battery overcharge/discharge, output overload, and short-circuit protection for safety. Wide Voltage Input: Supports 100-277 VAC 50/60Hz input, suitable for various global power standards. Low Static Current: 0uA static current at battery terminal during outages ensures minimal energy loss. 3-Year Warranty: Comprehensive 3-year warranty coverage for mechanical defects and performance. OEM/ODM Service: Custom logo printing and design services available upon formal request and sample confirmation. Fast Switchover: Less than 1-second switchover to backup power to maintain critical area illumination. Multiple Certifications: Certified with CCC, ISO, CE, RoHS, FCC, and E-mark for global compliance.