3W Single Side or Double Side Wall Mounted 180 Minutes Lithium Battery Backup Rechargeable Emergency Exit Sign Box Light

3W Single Side or Double Side Wall Mounted 180 Minutes Lithium Battery Backup Rechargeable Emergency Exit Sign Box Light. 3 Hours Emergency Runtime: Provides 3 hours of backup lighting using a 3.7V 1800mAh Li-ion battery. Intelligent IC Control: Automatically starts during power outages with overcharge and overdischarge protection. Dual-Sided Visibility: Designed for clear visibility from multiple angles in corridors and hallways. Wide Voltage Input: Compatible with AC85-265V 50Hz power supply for global use. Durable Construction: Made of Iron and Acrylic with IP30 rating for indoor safety. Long Lifespan LED: Features 30 SMD LEDs with a lifespan of up to 50,000 hours. CE Certified: Meets CE safety and quality standards for emergency lighting. Flexible Installation: Supports wall mounting or hanging rope installation.