Overview:
Features:1. Wireless system 2. Super long receiving distance 3. Environment friendly energy saving system Notes:1. Please use the good quality battery for door bells. Don't use the bad quality heavy duty battery.2. Don't install this product in the sunny or rainy place.3. Please keep some distance between this exclusive product & the metal when you install in case it affects the usage.4. The sender & the receiver use the same codes to match with each other. Please check whether the computer barcodes on the their shells are the same or not when you buy. Note: If the color out of our stock, we will ship the item in random. Specification: Weight Approx:175g Size Approx:13 x 10 x 3