The IOS app will support up to 4 units at one time. The Android app will support 1 unit at a time. It has a range of 10 to 100 feet in open areas. This will be less with objects or walls in between. The battery can last up to 6 months on standby. Easy to operate and connect offering a safe way to keep track of the priceless things in your life.
Product Dimensions: 9.88(L) x 0.50(W) x 0.75(H) inches