Checking attendance system
Product Description
485 transmission ID attendance
Type: MJ - 4890D
Properties: 485 networking type ID attendance machine, 12V supply, each machine controller can store 8,000 card and the access records, each 24000 COM can connect 32 sets controller, most scalable 16 COM port.
1:0, working environment ℃ ~ 70 ℃; Humidity: 10% ~ 90%;
2, the power adapter: DC12V power 4w 1A machine.
3, back-up battery: 7.2 V 1300mAH
4, volume: L180mm * * W110mm H34mm
5, weight: 45.3 grams
Note: manufacturer supply, quality assurance, assured the purchase
Freight: the seller excluding freight, which is set up product sale price, specific freight according to customer's delivery address and products weight assist counseling to deal with the real price can.
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