Retevis RT45 Walkie Talkie, Rechargeable License-free 2 Way Radios, Long Range PMR446 - 2 UnitsKeyboard lock Press the MENU button for about 5 seconds, the previous setting would be kept. Keypad Lock prevents unintended input. LED torch Press its flashlight side button to turn it on quickly, not need any other assistance buttons,it is very convenient and fast. Durable The case is double shot moulded with rubber and hard plastic. The rubber is thin on the sides but meatier on the top and base which is what saves them in a fall. and survived