- Mini gadget with two LEDs that flash alternately, great for grabbing attention
- Ideal introduction into Surface-Mounted Device technology; additional parts included in case of loss or damage
The SMD Happy Face Power Supply requires 3V Li button cell batteries such as CR2025 or CR2032. It has a power consumption of approximately 5mA and dimensions of 29 x 8mm or 1.1 x 0.3 inches.