Safe-T-Lock Electronic Code Switch Safe-T-Lock Is A Programmable Security Lock Designed To Bring More Convenience, Accountability And Security To Your Work Environment. The Electronic Code Switch Can Be Used In Any Piece Of Equipment That Starts With An Ignition Key. With The Safe-T-Lock, You Won't Need To Search For Your Keys. Features: Unit is 2.72" x 4.23" (W x H) 12 - 120 VDC Waterproof, IP65 99 programmable user codes Maintenance cycle - 250 "on" hours, unit will beep intermittently until reset Last user ID function - supervisor can see who last used the unit 1 year warranty Certifications: UL, CE and RoHS compliant Includes Installation Instructions. For Use On Any Piece of Equipment that Starts with an Ignition Key: Agricultural, Construction or Turf Applications