HOME
Find
Details
Article Title
Wireless doorbell with 3 frequencies.
Is Part Of
Asian sources hardwares ; v.26, no.8, Sep 1996, p.20.
Similar Items
Prints adorn wireless doorbell clocks.
Remote control doorbell with analog clock.
Frequency counter : counter frequencies follow circuit lead.
Doorbell alarms/visitor alerts : manufacturers release dual-function units with PIR or CDS sensors : low-end models from Hong Kong feature portability, ease of use.
Wireless speakers : Asia's wireless speaker suppliers move up to radio frequency models.
×
Loading...