The LED circuit board is used to check the Tesla oscillatorLED circuit board from WassermatrixSKU: W06€9.00PriceSales Tax Included | VersandkostenQuantityAdd to CartBuy NowSHIPPINGGermany: 2,- shipping fee, from 50,- free shipping EU and worldwide tariffs similar to DHL apply. PRODUCT INFODiameter: 4.2 cm with 6 LED lights for checking the handheld nozzles ConditionsI'm with thegeneral terms and conditionsagree