16Modes Button flow light battery Control Wireless LED Lamp Flashing/Rotating/Gradient Lights diy Scene Toys Robot Architectural Model Sand Table Model: Button Flow Light (with battery included) Battery: 2032 battery (standby can last for more than 1 year, constant display can last for more than , but avoid power consumption and automatically sleep for 12 minutes) Size: 26mm diameter, thickness 7.2mm (including button thickness), button cap height 1mm Mode: 16 flow modes<br><br>16 modes: 1. Slow counterclockwise rotation 2. Rotate counterclockwise at a medium speed 3. Rotate counterclockwise quickly 4. Slow clockwise rotation 5. Clockwise medium speed rotation 6. Rotate clockwise quickly 7. Gradient speed repeated rotation 8. Gradient speed counterclockwise rotation 9. Gradient speed clockwise rotation 10. Single light entry, rotating exit 11. Fully reduce to pastoral redundancy, turn north and exit 12. Breathing lamp 13. Randomly light up 14. Full brightness 15. Blinking 16. Extinguish Short circuit switching mode: and hold for 3 seconds to turn off, and hold again for 3 seconds to turn on Attention: In order to save battery power, if the mode is not switched, the display be turned off and enter sleep mode after 12 minutes. Long sensing for 3 seconds is required to reactivate the display mode Equipped with memory function. After 12 minutes of no induction, enter deep sleep mode with microampere power consumption. Color: Blue Material: PCB<br><br>Package Contents: 1 * Module<br><br>Only 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.