Davell Keyless Combination Digital (LF3780)

The perfect digital combination lock, manufactured in the UK, for a wide variety of applications with a solid zinc alloy body, ten digit keypad, battery indicator and manual key override.


  • Digital Combination Lock
  • Single or Three Point Locking
  • Manual Override Key
  • 10,000 combinations
  • Private or Public User Modes
  • Auto Unlock Mode
  • LED Indicator Lights
  • Audible Keypad
  • Vertical or Horizontal
  • Two ?AA? Batteries (supplied)
  • Battery Indicator
  • Up to 50,000 cycles Per Pair of Batteries
  • Standard Colour: Black
  • Dimensions: 136mmL x 37mmW  x 27mmD

The LF3780 has 4 code levels

8 Digit Master Code
6 Digit Sub-Master Code
6 Digit Technicians Code
4 Digit User Code


  • Slam Latch.
  • Alternative Colours ? Silver or White.
  • Available with RAS (Remote Allocation System)

Download LF3780 Product Brochure
Download LF3780 Operating Instructions
Download LF3780 Programming Instructions
Video - Change Master Code
Video - Change User Code using the Master Code