The VIGIL is the new maintenance-free multi-mode activation device that outperforms old-style AAD's. The VIGIL comes At a very attractive price In an attractive and useful carrying case With a free Cutter replacement after life saving! The VIGIL gives you High-reliability in an Ultra-compact Unit. The Vigil General Assets: -Patented Technology -Multi-mode -Maintenance-free -Alpha-numeric Display -Unbreakable Box -Ergonomical Design -Low TCO (Total cost of Ownership) -Upgradable software -Data logger with Black Box Function with I.R. download system in option -Waterproof