Product Features: 1. Mini and unique design,fashionable and portable2. ABS+Acrylic housing,lightweight and durable;3. IP54 dust-proof & splash-proof protection;4. With built-in rechargeable Li-ion battery5. USB charging is more environmentally friendly and convenient6. Multiple Measurement Modes: Distance measurement, area measurement, volume measurement and Pythagorean measurement7. Wide Application: Perfect for outdoor measurement, construction measurement, woodworking measurement, interior renovation and more. Product Specificatons Measuring Accuracy 3mm Measuring Units m/in/ft Measuring Time Continous measuring: 7 times per second Laser Type 620-690nm,<1mw Laser Cla Cla 2 Protection Cla IP54 Data Storage 50 Groups (LDM-M30+ Only) Laser Auto Off After 30 seconds Power Auto Off After 180 seconds Storage Temperature 0-40 Operating Temperature -20-70 Battery Type 3.7V 200mAh Li-ion Battery Life 2000 times measurements Screen Type LDM-M30: LCD LDM-M30+ : TFT Net Weight 35g Package Included: 1x30M Laser Distance Meter1x User Manual1x Hand Strap1X Charging Cable1x Retail box 1. WORLDWIDE SHIPPING.(Except some countries and APO/FPO)2. Orders proceed timely after the payment verification.3. We only ship to confirmed order addrees. Your order addre MUST MATCH your Shipping 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 shipment within Estimated days from payment, please contact us. We will track the shipment and get backto 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 ship your item from our first available warehouse for fast delivery. 1. limited Warranty for defective items (excluding items damaged and/or misused after receipt). Acceories come with a warranty.2. Defective items MUST BE reported and returned within the warranty period (and in the original packaging, if poible). You must tell us what the defect is and give us your order number. WE DO NOT REPAIR OR REPLACE ITEMS WITH AN EXPIRED WARRANTY.You agree to all of the above-listed policies upon ordering on aliexpre! 1. All returned items MUST BE in the original packaging and you MUST PROVIDE us with the shipping tracking number, specific reason for the return, and your po2. We will refund YOUR FULL WINNING BID AMOUNT, upon receipt of the item in its original condition and packaging with all component acceories included, AFTER BOTH Buyer and Seller cancel the transaction from aliexpre. OR, you may choose to have a replacement.3.We will bear all the shipping cost if the product(s) is (are) not as advertised. 1.If you have any problem about the order , please contact us freely , Our friendly service team will work hard to solve. 2.If you satisfied wuth our products ,please kindly leave a 5 stars rating and share with your friends. thanks.