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This order: 1XMost control 2Xdoorphone 1Xdecoder 10XRFID crystal keyfobs (125KHZ) No include power and lock Mostcontrol hosts can connect 99 doorphone 1 decoder can connect 4 doorphone Decoder:$6.00/pcs doorphone:$8.00/pcs
Technical parameters: Working voltage: DC12V + - 10% Audio distortion: < 5% audio signal to noise ratio > = 50 db Working current: static: < = 160 ma dynamic: < = 350 ma Working temperature: - 40 ~ + 50 Installation size: 300 * 110 * 35 mm Installation: installed or wall embedded metal door Function characteristics: With waterproof, warm, prevent impact, feel is good.Good contact, never card key, service life can reach 1 million times. Can do the built-in sensing head and read card controller, authorized to induction IC card lock. Have intelligent self-checking function, circuit malfunction automatically prompt. Code to the host.Have independent password lock function, every one, can be arbitrary changes.