The Vaultek ProVE has a progressively formed housing in a unibody design without welds with a durable powder coat to prevent corrosion and ensure lasting performance. The anti-pry bars prevent tools and small objects trying to penetrate the safe exterior. Dual anti-impact latches are drop tested for the ultimate in rugged performance. The Vaultek ProVE features back lit lighting, where a proximity sensor detects your hand to illuminate the keys. It also has an interior light for visibility in the dark. The key pad offers a 4 to 8 digit code with over 19,000,00 0 possible combinations. The 3.7 Volt Lithium battery gives you three months on a single charge under normal use. Includes two backup keys, a reachable battery, charging kit, mounting hardware, security cable, and a user manual.