Specifications: Item Type: Altimeter Material: ABS Model: ZD 2068 Power Supply: x cell (not included) Altimeter: -2296FTS to 29500FTS Resolution of 1m or 3FTS Barometer: : 350 to 1100 hpa Resolution hpa : Accuracy of +3° Resolution of ° Display mode: 360° with 16 cardinal points segments. : +2 ℃ accuracy Resolution of ℃ Temperature format: ℃ or ℉ : -5℃ to 50 ℃ Clock and calendar: With year, month and date time. Clock format: 24 hours or 12 hours (/PM) Weather forecast: With sunny, light sunny, cloudy, rain LCD display: Display with LED backlight (blue) History: It remembers the data for each time Voltage Parameter How to Use the product and follow the instructions Package List x Altimeter x Lanyard x Instruction Manual