GATEMAN IREVO M180 Keyless Digital Smart Door Lock. Random PIN input for security. Notice Manuals and some features may be in Korean. Battery Type: AA 1,5V.Outdoor Body: 75 x 300 x 25mm. Indoor Body: 70 x 290 x 29mm. The item "IREVO GATEMAN M180 Keyless Digital Smart Door Lock NEW" is in sale since Thursday, May 28, 2015. This item is in the category "Home & Garden\Other Home & Garden". The seller is "lightnspace" and is located in Seoul. This item can be shipped worldwide.