Black Diamond

Ion 40 Keychain Light


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The nitty gritty


  1. Quick-clip keychain (casual use only; not suitable for climbing)
  2. Dim mode and strobe mode for high visibility at night
  3. Twist mechanical lock helps preserve battery life
  4. Runs on 2 included coin-cell (CR2032) batteries

Technical Specs

  1. Best UseCasual
  2. Batteries2 x CR2032
  3. Beam TypeFlood
  4. Bulb TypeLED
  5. Dimensions6.7 x 3.2 x .6 inches
  6. Weight (g)45
  7. RechargeabilityNon-rechargeable
  8. Average Run Time18 hours
  9. Max Beam Distance (m)Unavailable
  10. Weight With Batteries1.6 ounces
  11. Water-Resistance RatingIPX4
  12. Max Light Output (Lumens)40 lumens