Features: 1) Low power consumption with static current less than
5uA 2) Acoustic resonator surface adopted for radio emission to
stabilize frequency 3) With low battery voltage indicator 4)
Wireless emission distance in champaign above 100m 5) Compatible
with KS-998AI, KS-998LED, KS-298 and KS-198YFW series alarm hosts;
KS-200ATI, KS-200BT1, KS-200AT1-C, KS-200BT1-C wireless infrared
detectors