Xiamen Headleader Technology Co., Ltd. is one of the most famous relay board manufacturers and suppliers in China,Website:http://www.locker-supplier.com, equipped with a productive factory, we are able to offer you relay board manufacturing.Relay board or Lock Control board is connected to Headleader mainboard and controls the locks. I8-relay, 9-relay, and 12-relay boards are available.Specifications:◆Dimensions: L253.3 x W97.8mm◆Installation: φ4◆InterfacesA: Power-in 12-18VB: For data cable to Mainboard or the last lock control boardC: ports to IR sensors or electronic locksD: power out 12-18VE: For data cable to the next lock control boardPay attention to "Power In" and "Power Out". If the board is powered from the wrong port, the board will get burnt.For more information, please contact us at Sales@eheadleader.com, or talk to us on skype: Jenny@eheadleader.com, Gloria@eheadleader.com.
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