មគ្គុទ្ទេសក៍អ្នកប្រើនាឡិកាអាណាឡូក GlobalTime GTD360
GlobalTime Electronic Co., Ltd Analog NTP Clock - GTD360 (NTP PoE) Synchronized Time Systems User Guide Pull out the dowel pin on the back of the clock. Insert 2 alkaline batteries to power the clock. Press and release the button…