Attach the color-coded receivers to your frequently lost items using the key rings or double-sided adhesive tape. Press the corresponding color-coded button on the remote to activate a beeping sound and flashing lights that guide you to the lost item. Easily locate misplaced items quickly with the one-button press function. The beep sound and flashing lights help you find your belongings without hassle. Secure the receivers to your valuables by sticking them with the adhesive tape or attaching them to the included key ring. This key finder makes a thoughtful gift for friends or family members who often misplace their keys. Remote battery installation instructions: (1) Remove the battery cover located on the back of the remote. (2) Insert batteries according to the (+) and (-) markings inside the battery compartment. (3) Replace and close the battery cover securely. Receiver battery replacement: (1) Open the outer shell using the provided tool. (2) Replace the CR2032 battery. Color: Black Material: ABS Note: The color and appearance of some accessories may vary slightly as they are shipped at random. This does not affect functionality. Package Contents: 1 x Transmitter (Remote) 6 x Receivers 1 x Mounting Accessories Set Only the items listed above are included. Note: Lighting effects and display settings may cause slight variations between the image and the actual product color. Measurement may vary by +/- 1-3 cm.