Specification:Power: 2WVoltage: 220VPlug: EU PlugOutput voltage: 1.25V - 12V regulated output continuously adjustablePCB board size: 7.3 x 6.8cm / 2.87 x 2.67'' (L x W)Shell size: 12 x 7 x 4.8cm / 4.72 x 2.75 x 1.88'' (L x W x H)Features:One way adjustable signal generator output. Convenient to provide the pulse signalWith a logical pen function. For convenient the logic level of test circuitWith one way buzzer. You can test the wires on and off (Connect the wires to the power positive and signal input, the wire on - the buzzer sound). You can test the low-frequency signal (input the signal from the signal input, if there is a signal, the buzzer sound)Note: This item is unassembledPackage includes:1 x DIY LM317 Kit
If your product arrives damaged or is not working, you can return it to us within 3 days after delivery or 30 days after shipment in case the delivery date is not traceable.If the item is still within the validity period of this warranty:We will reimburse you for the return shipping fees after the defective item has arrived in our warehouse. Any further costs incurred during the return process will be at the customer's expense.If the item is outside the validity period of this warranty:The customer shall be held responsible for all the shipping fees and charges when returning the defective product.Return a DOA (dead on arrival) item If the item arrived broken, please contact us within 3 days from the delivery date and follow the procedure for the 3 Days Product Guarantee.If the item has a high value, we may ask you to return it. Please include all of its accessories, like cables, chargers, batteries, in the returned parcel. If an accessory or component is missing, we will ask you to pay for it. All the return shipping fees will be covered by us.
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