Description: Premium Material: Battery box is made of quality PP material, which is strong and has a good protective the battery. Features: Outdoor battery box, 12V-36V voltmeter, double USB (5V 2.1A/1A), 12V CIG socket x2, voltmeter 6-36V, 16A circuit breaker. Applicable: Smart battery box is suitable for 100A batteries and is suitable for various batteries such as cars and ships. Product Size: Battery box external size 425mmx205mmx215mm, internal size 345mmx205mmx215mm. Package Includes: 1 Outdoor battery box. Specification: Material: PP material Product Size: External Size 425mmx205mmx215mm, Internal Size 345mmx205mmx215mm Package Includes: 1 Battery Box Note: Please allow slightly errors 1-2cm differences due to manual measurement.