Quantity   Component name
1 × Classic Bullet Headlight w/Visor Chrome http://www.ebay.com/itm/262036548232
1 × DC-DC Adjustable Step-up boost Power Converter Module XL6009 http://www.ebay.com/itm/111937231356
1 × Sanyo 18650 2150mAh 3.7v Flat Top Li-Ion Battery http://www.ebay.com/itm/Genuine-Sanyo-Violet-UR18650A-18650-2150mAh-3-7v-Flat-Top-Li-Ion-Battery-/181777285413
1 × (Optional) 0.9V-5V to 5V 600mA DC-DC Step-Up Boost Converter http://www.ebay.com/itm/111779250461 (5V Arduino is probably OK with 3.7v, but just in case)
1 × Arduino Nano a smaller version w.o USB could be used.
1 × 10W LED
2 × MOSFET n channel (FQP30N06L) one for PWM 10W LED, other for on/off EL wire
1 × 5V Mini USB 1A Lithium Battery Charging Board TP4056 http://www.ebay.com/itm/161847508263
1 × LM35 Temp Sensor
1 × 1M 5V WS2812B 60 LED 5050 waterproof light strip
1 × 5M EL wire with 12v converter
1 × Lighted weather proof switch
1 × Misc Resistors for MOSFETs (10K) and Capacitive Sensor (1M)
1 × Optional solar panels