Attach the color-coded receivers to your frequently lost items with the key rings or double sided adhesive tape.With just one on the color-coded button, the beep sound and flashes lead you to find the lost items.You can find the lost items quickly by pressing the color-coded button, the beep sound and flashes lead you to find the lost items.Stick the receivers on your valuables or string the receivers on the included key ring.Got a friend who keeps losing key? Give this key finder as a gift.Remote:Follow the steps below to install batteries into the remote.(1)Remove the battery cover located on the back of the remote;(2)Install the batteries according to the (+) and (-) marks inside the battery compartment;(3)Close the battery cover.Receiver:(1)Open the outer shell with the opening tool provided;(2)Replace CR2032 battery.Colour:BlackMaterial:ABSThe color and appearance of some accessories are sent randomly,can not be chosen the specific , which not affect the usePackage Contents:1x mitter6x Receiver1x Mounting Accessories setOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.