Check the listing for details. Door Access Control System, Electric Magnetic Lock 600lb, 4 Remote Controls USA. Condition: New. Listed at 147.99 USD. Super fast shipping !!!! Kits Access Control This product offers a method for controlling access safely and automatically, qualifying it as an ideal equipment for businesses, offices, factories, and communities. If you need more key chains you can buy them at this link: https://www.ebay.com/itm/153958730919 Specification: • •Work Voltage:Dc 12V • •Open Lock Current:≤0.1A• •User Capacity: 1000 users• •Inductive Distance:0~100m• .Frequency:433 Mhz• •Size:120*78*22mm • •Weight:0.22kg Electric Lock: 280kg Magnetic Lock (600 LB)It is a stainless steel 280kg holding force electric magnetic lock which suit for any access control system. This electric lock can meet your need perfectly! Power Supply: DC 12V NC Mode - (Locked while supplied with power) Fail Safe Mode Safety function: Built-in voltage spike suppressor Anti-Residual Magnesium Designed Suitable For: Wooden Door, Metal Doorr, Fireproof Door, etc Performance Testing: 1000000 times aging test Power Adapter: Input: 100-240VAC 50/60HzOutput: 12VDC / Max 2Amp Exit Button Material: Stainless Steel NO, NC, COM100% High quality and high security.Sensitively and response quickly.Maximun Power Rating: 3A/12V DC.Dimension : 86Lx86W (mm) Package includes: 1 x DC 12V Electric Magnetic Door Lock 280Kg (600)1 x Exit button1 x DC12V Adapter and connector.1 x Remote reciver4 x Remote transmitter fobs