Electronic operation. Front and back plates. Tubular latch. Holdback, key override, code-free mode and remote release button / alarm facility. Non-handed. For internal doors. 80 user codes. Stainless steel PVD finish. Specifications: Front plate W x D x H: 70 x 83 x 193mm. Door thickness 35-65mm. 200,000 battery operations. Batteries supplied.