Description This versatile emergency charger and external power box is designed for safe boxes and anti-theft door locks, ensuring your security devices remain operational during power outages. The sleek, compact design allows for easy installation and portability, making it an essential accessory for maintaining the functionality of your security systems. Features - Color: Black - Material: Plastic - Size: 27.00 x 6.50 x 1.80 cm / 10.61 x 2.55 x 0.71 in - Multifunction design: Provides a comprehensive solution for various needs - High security: Utilizes advanced technology to help protect valuable items - Portable convenience: Compact and lightweight for easy carrying and installation - Long battery life: Offers extended power support to keep devices running - Strong compatibility: Universal design works with various safe box and door lock brands Package List 1 x Battery Box