Marks USA - 195DB - Commercial Lever Set - 2 3/4" Backset - 26D - Classroom Intruder - Grade 1 Astro (Check Frequency

(Check Frequency

Illuminated fingerprint reader window

1- Enter settings menu

if the immo data can’t be read out

or battery power connection

Marks USA - 195DB - Commercial Lever Set - 2 3/4" Backset - 26D - Classroom Intruder - Grade 1 Astro (Check FrequencyFor added safety in an emergency, teachers can lock their classroom doors from the inside with the 195DB LocDown Series Classroom locks by Marks USA. Typical Classroom function cylindrical locksets are designed to be locked or unlocked from the exterior, with the interior always in an open position. The new LocDown Classroom Intruder Lockset by MARKS USA, is designed to be locked or unlocked from the exterior, always open on the interior, but allows