Features: Adopt super-accuracy sensor from Swiss. Incorporates GPS, altimeter, barometer, compass functions, etc. Thermometer, hygrometer, time, date, alarm clock. Altitude total gain/loss, 24 hours altitude record and chart. Max/min altitude, temperature, huminity record. 24 hours air pressure trend chart. Built-in rechargable battery. LCD backlit and LED torch. IPX 4 waterproof. (Do NOT submerge in water.) Functions: GPS Course Return: Direction, distance, speed GPS course return selection Altimeter: Altimeter range(-700 to 9000m/-2296 to 29500ft), with 1m/feet accuracy. Max./Min. memory for altitude. Altitude history and graphical display of the last 24 hour altitude readings. Altitude total gain or loss: 44999 meter/feet range. Sea level altitude setting. GPS distance, speed, erect ascending/descending rate, course return record. Barometer: Pressure range 300hpa to 1100hpa(8.84inHg to 32.44inHg) Resolution of 0.1hpa(0.01inHg) 24 hour pressure history and graphical display Electronic pressure weather forecast(sunny, slightly cloudy, cloudy, rainy) Pressure trend indicators Sea level air pressure setting. Compass: Direction Angle Thermometer: Range from -20 to 60 (-4 to 140) and selectable Max./Min. memory for temperature Hygrometer: Relative humidity(20% - 95%) Max./Min. memory for relative humidity Time: Hour, minute, second Year, month, day, date Alarm clock Time zone setting Specifications: Material: Plastic Dimension: 10 * 6.5 * 2cm / 3.9 * 2.6 * 0.8in Weight: 75g / 2.6oz Package Size: 15.8 * 11 * 3.5cm / 6.2 * 4.3 * 1.4in Package Weight: 126g / 4.4oz Package List: 1 * Altimeter 1 * Charging Cable 1 * Wrist Strap 1 * Cleaning Cloth 1 * User Manual About feedback If you are satisfied with our products, Pls give us 5 Stars Your satisfaction and positive feedback is very important to us. Please leave positive feedback and 5 stars if you are satisfied with our items and services. If you have any problems with our items or services, please feel free to contact us first before you leave negative feedback. We will do our best to solve any problem and provide you with the best customer services. We will give you a positive feedback after receiving the payment. If you are unsatisfied with your items, please contact our Customer Service. We maintain high standards of excellence and strive for 100% customer satisfaction! Feedback is very important We request that you contact us immediately BEFORE you give us neutral or negative feedback, so that we can satisfactorily address your concerns. It is impossible to address issues if we do not know about them! Payment 1) We accept Alipay, West Union, TT. All major credit cards are accepted through secure payment processor ESCROW. 2) Payment must be made within 3 days of order. 3) If you can't checkout immediately after auction close, please wait for a few minutes and retry Payments must be completed within 3 days. About shipping 1. WORLDWIDE SHIPPING. (Except some countries and APO/FPO) 2. Orders processed timely after the payment verification. 3. We only ship to confirmed order addresses. Your order address MUST MATCH your Shipping address. 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 the period, please contact us. We will track the shipment and get back to you as soon as possible 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. 8. We seller are not in charge of import duty, buyer is responsible for that. Any dispute caused by this is unreasonable. 9. BR buyer please provide the cpf or cnpj, it will be better for you to get it more quickly. thanks Return and Refund 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 possession more than 7 days, it is considered used and WE WILL NOT ISSUE YOU A REFUND OR REPLACEMENT. There are NO EXCEPTIONS! Shipping cost is bear by both seller and buyer in half. 2. 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 po#. 3. We will refund YOUR FULL WINNING BID AMOUNT, upon receipt of the item in its original condition and packaging with all components and accessories included, AFTER BOTH Buyer and Seller cancel the transaction from . OR, you may choose to have a replacement. 4. We will bear all the shipping cost if the product(s) is (are) not as advertised.