Trine access 4800 series satin stainless steel surface mounted electric strike for use with surface mounted rim panic exit devices with up to 1-inches throw. 1/2-inches thick surface mount that comes with a 1/4-inches and a 1/8-inches spacer - this provides the flexibility of up to 4 different sizes! Cavity is completely open - which means the 4850 allows for an incremental depth up to 1-inches throw. Built-in electronics automatically allow 11 thru 28 DC voltage input - with surge and kickback protection. Comes with Trines patented 6-pin anchoring system. Contains a one piece locking mechanism with one solenoid - less parts mean less problems. Fail-safe/fail-secure (field selectable). BHMA grade 1 electric strike - 1,000,000 + life cycles - 1,500+ pounds holding Force. No cutting or worrying about voltage means you are always prepared. Low current draw available 4850PoE for 12DC and 4850LCD for 24DC! Pull in/holding current : 0.500/0.178 amps, 0.385/0.131 amps, 0.255/0.084 amps.