If you use 3D printer to make 3D printed lamps, this mini LED keychain is the perfect component for you! Save time while providing a professional, finished look for your Mini LED 3D lamp projects.
This mini LED keychain includes LED bud, key ring and 3 pieces built-in LR41 button batteries. You can change to new batteries when they are running out of power. By screwing the switch button, it lights up with flashing RGB lights by turns.
Default fading RGB light mode
Long working time 6~8 hours
Built-in 3 pieces LR41 button batteries
1PC LED Bud with batteries
1PC Keychain Ring
(It does not include 3D printed part)
Competitive prices and low shipping cost
Short leading time and fast delivery
1. What’s the power source?
– There are 3 pieces LR41 button batteries. You can change to new batteries when they are out of power.
2. What is the battery life?
– It lasts for 6~8 hours.
3. How can I change new batteries?
– You can order LR41 button batteries in local store. Screw off the top and load the batteries by turns with foam mat and transparent insulation sheet (the positive side+ is up). When you do not use it, please take it off.
Below is the photo of samples with TDL-MC4 LED keychain.
Send inquiry to us