The deal code works for all 3 models in the product page.
Model #1 & Model #2 (Price $15.99, Get it $11.99 with code)
Brightness: 50 lumen
Mode: 4 Brightness Levels
Color temperature: 6500K
Power supply: 250mA Polymer Li-ion Battery (include)
Charging time: 30min
Lasting time: 3-4 hours once fully charged
Upgraded Version (Price $16.99, Get it $12.74 with code)
Brightness: 50 lumen
Mode: Continueously brightness adjustable
Color temperature: 3000K/4500K/5500K
Power supply: 250mA Polymer Li-ion Battery (include)
Charging time: 30min
Lasting time: Up to 4 hours once fully charged
Clip: Double clips
Note: Free shipping for Amazon Prime members, free shipping when order amount is over $49 for non-Prime members. If you want to avoid shippint cost charged by Amazon, you can order the other seller fulfilled offer through "2 new offers" below the "Add to Cart" button, arrive within 10-14 days.
Review
https://youtu.be/BH-cbmp36zI