Electric Drop bolt lock Fail secure NO and similar items

YB-500C is an all-metal construction electric bolt with European-type cylinder and has both electric control and manual control functions. The 304 stainless steel solid bolt has 1000kg holding force and with anti-burglar design. And the lock can also be used in the temperature of 60 ? or 20 ? below zero based on the all-metal linkage parts. With the multiple designs of durable magnetic valve, special photoelectric control system, ultra-low temperature and power consumption design, anti-intrusion and smart circuit Product Parameter Parameter Description Fail Secure locked when energized Face Plate 210Lx25WX42H(mm) Strike 90Lx25Wx3H(mm) Bolt 16mmDIA,stainless steel 13mm throw Voltage 12VDC Start Current 960mA Standby Current 180mA Feature Fail secure Autolock Time Delay 0,3,6,9sec Door statue signal output contact NO?COM Cylinder One side is key, another side is knob Solid Bolt Holding Force 1000Kg Suitable For wooden door,metal door, PVC door Surface Temp Low Temperature Induction Distance 8mm Operating temp -10?+55?(14~131F) Operating Humidity 0?90%(non-condensing) Special Designed Tested to 500000 operations Face place material 304 stainless steel, wire draw finishing Weight 1.0kg LED some times not have the status LED Packing include: 500C Lock x1 Shipping: We Ship to Worldwide. Import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyer’s responsibility. Please check with your country’s customs office to determine what these additional costs will be prior to bidding/buying. The item will be shipped out within 48 hours on the weekdays ( Monday to Friday ) or the next business days on the weekend after full payment must be received. Only ship to the Address. Please make sure your address in is Correct before you pay. we are not responsible for any wrong or undeliverable addresses. We will ship out the item by AirMail from China or Hong Kong Post Office. If want send by DHL UPS EMS or other Express shipping please contact me to change the shipping cost. We will send the item as " GIFT " It takes about 15-40 working days to arrive. Sometimes take a little longer , Due to Local dispatch or other reasons, It might goes more than 20 days . Payment We accept PayPal only. All major credit cards are accepted through our secure payment processor PayPal. Payment must be received within 10 days of auction closing. Refunds Returns If you do not satisfied with your purchase, or if it is damaged when receive, please let us know, we will do our best to help. If the problem cannot be solved, please return it to me in the condition it was received within 7 days. we will send you replacement or give you a refund. All returns should include all original items undamaged, in re-saleable condition, all original packaging including manuals, warranty forms. Buyers is responsible for the returning shipping cost. We care about our valued customers, and will always try to help you. So if you have any problems, please message us immediately. Please give us the opportunity to resolve any problem. We understand the concerns and frustrations you might have, and will try our best to resolve the issues.Please contact us BEFORE leaving any negative or neutral feedback or open any dispute on paypal.