Specification:
Type B parameters:
– Receiver size: 95 x 65mm
– Button size: 74 x 40mm
– Input voltage: AC110 ~ 240V, 50 / 60hz
– Volume: 0-110DB
– Melody: 60PCS
– Plug: UK Plug
Notice:
1. The distance is an open distance. In actual use, the distance will be shortened due to the increase of obstacles
2. Although the frequency is 433MHZ, due to the incompatibility of the self-generating program, it cannot be used with other doorbells or other products.











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