ZKTeco’s WDB04 wireless doorbell offers unparalleled convenience and flexibility. With a wide range of 38 ringing tones and 4 adjustable volume levels, you can customize the audible alert to suit your preferences and environment.
Operating at a frequency of 433.92MHz, it utilizes advanced ASK superheterodyne co-frequency code technology to effectively ensure reliable and interference-free communication between the doorbell and receiver. With the ergonomic design, this doorbell and installation, making it to serve as an access control accessory for a comprehensive visitor management and security solution.
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