Read more Focusing on the needs of our customers, AVANTEK is committed to delivering innovative quality products, letting you live simpler and smarter than ever before. We strive to ensure every customer is satisfied with our business, so if you have any questions, please feel free to reach us. Expandable with Additional Transmitters/Receivers If youve purchased this wireless doorbell kit, you can reorder the same doorbell and pair them to meet your specific needs. Crystal Clear Chimes Receiver Frequency: 433.92 MHz Note: Metal will interfere with the signal and shorten the transmission range. Please place the transmitter in areas away from metals.
eBay