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AMIR Dog Door Bell, Wireless Press Door Bell Dog Training Bell for Potty Communication, Waterproof Self-Powered Doggie…

Amazon.com Price: $6.99 (as of 04/08/2023 23:47 PST- Details)

【No Battery Required】AMIR self-powered wireless doorbell made of high-quality fire-resistant and flame-retardant PC material; equipped with one self-powered wireless transmitter, NO battery required, saving energy and easy to stick and use.
【Custom Ringtones and Volume】With 38 polyphonic ringtones and 4 adjustable levels of volume, you can set the ringtone and volume according to your own preferences. Super low minimum volume which can reduce unnecessary interruptions at night and bring better users home experience.
【IPX7 Waterproof Transmitter】No battery waterproof doorbell, it can work normally even in rainy days; the transmitter and receiver can reach 100M in the barrier-free environment with stable signal and no interference.