◕‿◕【PREMIUM MATERIAL】Made from premium aluminum, durable and practical,non-rust nor corrosive. | ◕‿◕【EASY TO USE】As for use, you simply place the funnel at top of your portafilter while grinding,easy to clean, just rinse with water. | ◕‿◕【CONVENIENT TO USE】Cushy to install and convenient to use,coffee Dosing Ring stop wasting coffee and messing up your work top | ◕‿◕【EASY TO CLEAN】You just rinse it with water and clean it with brush or sponge. | ◕‿◕【SUITABLE FOR】Suitable for 58mm Portafilters.

MAXIMUM POWER - maximum power 120 w (12 v induction heating). 12 v, push the ignition coil primary 5 + 5 turn, about 30 w | INPUT VOLTAGE - the input voltage DC 5 v to 12 v | ZVS HEATING POWER SUPPLY MODULE - This no tap mini plate ZVS finished board, with no ignition coil and a cooling fan, etc | PCB SIZE - 55 mm * 37 mm * 1.6 mm | HEATING COIL - heating coil, the width of the heated objects as far as possible between the heating coil diameter of 1/3 ~ 1/2, most don't more than two-thirds

EXQUISITE DESIGN - Elaborate integrated circuit provides high reliability and durability, permits a wide range of light measurements | FEATURES - 3 1/2 digits 18mm LCD display for clear reading | STABLE USE - This instrument is simple and easy to operate with switchable ranges | STABILITY - Simple structure, convenient carrying and good stability | WIDE APPLICATION - It is widely used for factory, warehouse, school, office, family, street lamp construction, laboratory and so on