1.You can contact the customer service. for any question regarding the product.
2.Ask the question in English to get answer faster.
3.Keep your question short and to the point.
Guaranteed Safe Checkout
Power supply voltage: DC 4.5-5V
Universal board size: 7*9CM
Package Include:
1 x DIY Electronic Kit
(The delivery is in parts, which need to be assembled by the buyer. )
Tips:For questions about your order, place of delivery, product discount, taxation, delivery time, warranty, shipping, payment, exchange rate, and other questions unrelated to the product, please contact customer service.
A part of the QA has been auto-translated.