Quantity   Component name
1 × KEYSTONE 3000 Batery holder
12 × LED SMD 1206
4 × 150ohm SMD 1206
1 × KMR211G Switch
1 × ATtiny85-20MU Microprocessors, Microcontrollers, DSPs / ARM, RISC-Based Microcontrollers
1 × CR1220 3V Litium