RF card lock,smart card lock #6600-103: Standard Color:Satin Nickel, Satin Brass Standard Mortise: Five Latch(ANSI Standard) Optional Mortise:Five Latch(Reversed ANSI Standard) Door Thickness Requirement:Not Less Than 3.8cm Ways to Unlock:RF Temic or Mifare one Card or Mechanical Key Power Supply: 4 x 1.5V Standard Alkaline Batteries Features: 1. Safer U-shaped handle. 2. Stainless steel crust, never rust. 3. Adopt metal material for both sides of crust to prevent from the
safety problems of plastic. 4. Got rid of electrical motor inside the mortise to prevent from
the dangers in case of motor damages. 5. Free handle, which prolongs mechanism service life to the
furthest and avoids unlocking by violence. 6. Pure stainless steel mechanical rotating structure enables its
life to be over 10 years. 7. Safe and easy to change batteries. 8. Adopt plastic insulated protection on electronic part