Alarm Disc Lock

Detailed Description: Item No.: LK303material : zinc alloy body Patent: 200420003536.0 Name : alarm disc lock Can be used on: Motorcycle ,bike, etc Lock Features: 105-110 db alarm sound Auto-alarming system & locking system Can be used alarmed or unalarmed states Automatic alarm reset Shakeshockmove or vibrate sensor Resistant corrosion , Resistant bad weather, Resistant physical destory, Waterproof . Lock pin diameter : 7.0 or 5.5mm 6 pcs button batteries (digital watch style), battery life:4-6months Specification(cm): 7(height) X 9(width) X 3.9(depth) 2pcs brass security keys(flat or round shape, also depend on customer reqirement) 6pcs AG13(4.5v) button batteries.( extra a set of batteries is available) Package: blister with card , double blister, color box Carton size: 29*24*30cm (24pcs/ctn, G.W./N.W.: 17/16KGS) FOB price :$6.2-6.3/pcs chrome, $5.6-5.8/pcs(spray plastic) , MOQ :500PCS Payment term : T/T (30% deposit and 70% before shippment)sample(western union) Certificates: CE and Rohs 20ft :30000pcs LK303 Usage direction: Patent:200420003536.01. Press the lock core, it will be locked and you will hear the sound Du,which means it is coming into the alarm situation,after 15 seconds. When the lock body or vehicle is vibrated again, the lock will give an alarmDU DU DU three sounds. when the lock is vibrated again, it will give an alarm and keep alarm with serial movement or vibration. Each alarm will last 10 seconds. 2. Use the key to open the lock , the alarm will stop at once. 3. When you hear the sound Ge. Ge. Ge.constant voice or the alarm voice less than 10 seconds and stop alarm at once ,that means the battery will be worn out,you need to replace the battery.Please use the provided spanner to spin out the four screws , then take away the top cover and replace the battery. Please pay attention to the anode and cathode. 4. Warning:in order to repleace battery easily later on ,please keep this usage direction and small spanner.