DIY Calculator Counter Kit With Acrylic Case LCD Display Multi-purpose Electronic Calculator Counter Electronics Computing-black

With this DIY calculator counter kit, you can make a colorful LCD calculator counter by yourself. This electronic calculator is displayed with LCD1602, which is very nice and cool, also with practical function. It's especially suitable for electronics DIY enthusiasts. This calculator plays a big role for common arithmetic operation and electronic computing, such as calculation of color ring resistance, calculation of LED current-limiting resistance and the conversion of hexadecimal number. Features: Great DIY calculator counter kit for electronic enthusiasts, easy to install. A great DIY toy for electronics enthusiast and DIY enthusiast. Blue LCD display with auto power off function in 30 seconds. Specially designed to calculate all kinds of math calculation and use for electronics researcher. 2 CR2030 on batteries for power supply, convenient and quick for use. With acrylic housing, components can be well protected and the LCD calculator counter looks stylish. Function: 1: Decimal arithmetic operation with decimal point and negative numbers calculations. 2: Calculation of 4 ring resistance or 5 ring resistance. 3: The calculation of LED diode current-limiting resistance. 4: Decimal number - hexadecimal number conversion and hexadecimal number - decimal number conversion. 5: Square root calculation. Specifications: Material: Acrylic Board + Board + Electronic Components Power Supply: 2 * 3V CR2030 on Battery (NOT Included) Auto Power off: In 30s without Operation Board Size: 120 * 68mm / 4.72 * 2.68in Finished Product Size: 131 * 91 * 37mm / 5.16 * 3.58 * 1.46in Product Weight: 187g / 6.60oz Package Size: Approx. 15 * 12 * 4cm / 5.91 * 4.72 * 1.57in Package Weight: 197g / 6.95oz Installation Method: You will get a bulk DIY kit, all components need to be soldered by yourself. The shell is acrylic material, fixed with screws. Provide with installation instructions. Package List: 1 * DIY Calculator Counter Kit (Battery Not Included) 1 * User Manual (English)

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1. WORLDWIDE SHPING. (Except some countries and APO/FPO) 2. Orders proceed timely after the payment verification. 3. We only sh to confirmed order addrees. Your order addre MUST MATCH your Shping addre. 4. The images shown are not the actual item and are for your reference only. 5. SERVICE TRANSIT TIME is provided by the carrier and excludes weekends and holidays. Transit times may vary, particularly during the holiday season. 6. If you have not received your shment within 30 days from payment, please contact us. We will track the shment and get back to you as soon as poible with a reply. Our goal is customer satisfaction! 7. Due to stock status and time differences, we will choose to sh your item from our first available warehouse for fast delivery.

1. You have 7 days to contact us and 30 days to return it from the date it was received. If this item is in your poeion more than 7 days, it is considered used and WE WILL NOT ISSUE YOU A OR REPLACEMENT. There are NO EXCEPTIONS! Shping cost is bear by both seller and buyer in half. 2. All returned it MUST BE in the pack and you MUST PROVIDE us with the shping tracking number, specific reason for the return, and your po#. 3. We will YOUR FULL WINNING BID AMOUNT, upon recet of the item in its condition and pack with all components and acceories included, AFTER BOTH Buyer and Seller cancel the transaction from aliexpre. OR, you may choose to have a replacement. 4.  We will bear all the shping cost if the product(s) is (are) not as advertised.

1. 12 months Manufacturer`s limited Warranty for defective it (excluding it damaged and/or misused after recet). Acceories come with a 3-month warranty. 2. Defective it MUST BE reported and returned within the warranty period (and in the pack, if poible). You must tell us what the defect is and give us your order number. WE DO NOT REPAIR OR REPLACE IT WITH AN EXPIRED WARRANTY. You agree to all of the above-listed policies upon ordering on aliexpre!

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About shping
Shping and Pack All it will be double checked and well packed before sending.It will be dispatched within 2 business days after buyers pay for the order. It usually takes about 14 to 18 working days for delivering the package to the destination(for e areas,it may take a little longer). 

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