Features:
1) Guaranteed brand
2) German Siemens SEL4442 encryption piece, safe and reliable
3) Elegant model and strong
4) Free type handle may avoid destruction by external pressure
5) Provided with European standard (DIN) core, 5-tongue interlocking unit,
and several functions of alarm of not-closed-door, alarm of not-locked-door
6) Sends out the alarm of low-voltage, and opening-door with mechanical key
7) Parameters:
a) Static power consumption: <8μA
b) Static-electricity proof: >15000V
c) Under strong interference of static electricity it misses no address and
still runs steadily
d) Service life of battery: at least 8-12 months
e) Weight: 2.5kg
f) Opening records: 250 pieces (500 pieces, 1000 pieces or 1500 pieces
of opening records optional)
g) Door-opening mode: opening door with no-contact type induction card
h) Alarm of low-voltage: in case of low voltage of battery, it sends out the
alarm of low-voltage and after this alarm, the lock may still be opened for
about 150-200 times