This smart wireless key finder kit includes a transmitter and 4 receivers.
Designed to help you find the easily lost items quickly like keys, remotes, purse, eyeglass, cane, etc.
Press on the color-coded button, the loud beep sound(75-80dB) and flashes will lead you to find the lost items even in the dark.
The signal with 30~40m effective range in open space, can easily penetrates though walls, doors, windows.
Lightweight and compact design, easy to carry, no burden.
The lithium cells to power for transmitter and receivers, 4 key rings and 4 double faced adhesive dots are included in the packaging.