The Samsung EZON Touchpad Digital Door Lock SHS-7120 is your home's first defense. Protecting your home with pin numbers this door lock gives you piece of mind.Protect your home and valuables with the cutting edge Samsung EZON Touchpad Digital Door Lock SHS-7120. The easy to use touch sensitive interface uses tempered glass that doesn't require a keypad cover. The keypad doesn't show when not in use, simply press the start button and numbers are backlit. Weather resistant software makes this combination lock great both for indoor and outdoor use. Use PIN, card or mechanical key access. This security lock can hold 250 slots for PINs or cards. Power with five AA batteries or can be hardwired. Made of zinc, ACRIL and polycarbonate.