SNDWAY Laser Distance Meter Digital Rangefinder 40m 50m 60m Range Finder Tape Measure Electronic Level Ruler Roulette Feature: This mini laser rangefinder have single measurement, Continuouse measurement, Area, volume measurement, Circumference measurement function. Single-button design for a facile and interactive experience Measurements range from 0.05m to 60m. It uses a harmle double laser with a 0.1 instantly response to achieve higher efficiency Connect to the"Joyplan" App by Bluetooth, let your plan measurements to 3D map easily. 370mAh capacity lithium batteries, Type-c charging. Notice: SW-24A, SW-25A and SW-26A do not have bluetooth function About Shipment We need 1-3 days to arrange the shipment ,the items will be shipped by Standard Shipping Registered Air Mail.Under normal circumstances, reach most of the countries need 15-40 work days,delivery time depends on destination and other factors. It may take up to 15-40 work days, according to the different Customs policy of every country and region .If an generated tariffs and import duties, by the buyer bear payment. If your addre undeliverable to shipped .If the return addre error caused by the merchandise we need to charge for shipping. Size & Color Manual measurement ,there are 0.1-0.5 mm error,please understand If you have any concerns questions, please contact customer service before buying.Because the display and lighting color may be a slight deviation,the product color in kind prevail, pictures for reference only. Return&Refund 1. If the items are found in bad condition after received, please contact us. We can arrange the refund or resend to you.2. If you are not satisfied with the product due to personal preference, you can return it to us within 7 days. However, the additional shipping freight should be afforded by yourself. About feedback 1. If the items are found in bad condition after received, please contact us. We can arrange the refund or resend to you.2. If you are not satisfied with the product due to personal preference, you can return it to us within 7 days. However, the additional shipping freight should be afforded by yourself.