Dear buyer, Welcome to my shop, if you have any question please let me know, I will do my best to help you when received your mail(will reply within 48hours), thanks for your understand,if want many quantity or many items total please contact me,maybe will have a good price,Have a nice day! YLI is biggest lock factory in China,the lock high quality and working very stable ! YB-200(LED) is a kind of durable fail safe electric bolt with all-in-one design. In order to avoid the locking mistakes caused by internal mechanical failures, we separate the bolt and the magnetic valve. The 304 stainless steel solid bolt can withstand 800kg holding force and can be worked in the temperature of 60 ? or -40? below zero. With the multiple designs of durable magnetic valve, special photoelectric control system, ultra-low temperature and power consumption design, anti-intrusion and smart circuit? 180 degree two-way door open Electric drop bolt is designed for 180 degree two-way door. Certainly, the bolt lock can be installed both doors that open inward or outward. Matching bracket installation Different brackets are available according to different types of doors. For example: narrow door,frameless glass door and inward opening door. Time delay function Time delay within (0-9seconds) is adjustable. The lock can keep in still for a certain time before locking up. This is to prevent the bolt hit the door leaf. Clipping circuit design YLI's Photoelectric control with low-temperature in the bolt lock quickly functions up to 850mA.This can extend the life of the battery. Photoelectric sensor control After more than ten years manufacturing expearences, YLI has develop pedlow temperature and effective Photoelectric Sensor Control bolt locks. These bolt locks are super stable, durable, engergy save and environmental protective. Intelligent logical circuit design YLI developed Intelligent Logical Circuit Design. Made in America IC to detect the statues of lock. If problem, it will be locked automatically. This is to prevent the door unlock while in improper position. Electri circuit protection desgin When the bolt of the lock extends, IC control will automatically turns off the reed switches. It is to avoid people from interfering the functions of the lock and reed switches the by insert the obstacle to the lock. Product Parameter Parameter Description Feature Fail Safe(Lock when energized) Face Plate 190Lx30WX39H(mm) Strike 95Lx25Wx3H(mm) Decorative Panel 195Lx35Wx0.7H(mm) Bolt 16(length)*16(diameter)(mm) Voltage DC12V Start Current 850mA Standby Current 150mA Solid Bolt polishing housing, 800Kg Holding Force Suitable For Wooden Door,Glass Door,Metal Door Autolock Time Delay 0,3,6,9sec Signal Output Door status Output,NO/COM LED Light on when locked; Light off when unlocked Surface Temp Low Temperature Induction Distance 8mm Special Designed Tested to 500000 operations Face place material High Aluminum Weight 0.6kg Packing included: YLI YB-200(LED) 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.