功能说明：
采用电池供电方式（低功耗）
★提供用户密码和管理密码，两套密码方式。
★标准工作电压：直流6V（4节2号碱性高能电池）
★静态功耗：<5uAzzz
★开锁：150毫安（mA）左右，（持续时间3s）
★动态（电磁铁吸合）电流：<150mA
★低压报警电压：<5.0V，开锁时红灯绿灯同时闪亮，提示要更换新电池，此时仍可开门100次以上。
★抗静电干扰能力：>15000V
★工作温度：-25℃～+85℃
★电量不足自动提示。
Functions：
1．Sound indicate function
Different operation with different sounds to indicate
2．LED indicate function
3 kinds different color LED to indicate((yellow LED means ,red LED means low voltage, green LED means unlock)
Alarm for low power
When power is too low,input password to turn on lock, red LED will flicker and with 4 groups alarm,after alarmed still can turn on lock about 100 times.
Work enviroment
Working temperature: -25℃～+65℃Working humidity:5%～95%RH
Electronic control part：
A.Power supply：4 pcs AAA alkaline batteries
B.Static current：When indicate LED turn off,static current ≤5uA
C.Transient current(Turn on lock)≤250mA
D.Work current for operating keypad：≤20mA
E.Anti-static current:Anti air discharge 15KV，contact discharge 8KV
