Hi friend, Wismec just release the new Noisy Cricket II-25 Upgraded Mod. It’s the upgraded version of Wismec Noisy Cricket. You could get this mod at the price $27.5, free shipping. No coupon is needed. You can’t miss it!! http://www.sourcemore.com/wismec-no...-replaceable-dual-18650-batteries-silver.html Short description: 1. NoisyCricket II-25 mod is made of high quality stainless steel and comes with unique design. 2. This new version Cricket II-25 mod supports optional circuit in series and parallel. 3. Simply turnover the circuit board, you can choose the series or parallel circuit to your preference. 4. Under cells in series circuit condition, two modes are available: Direct Output mode and Constant Voltage Output mode. If you have any question, feel free to contact us.