LCD screen with size 38.5×16mm/1.52 x0.63 in.
With the LCD, user can check the information below...and more:

     - Number of satellites used and signal strength, satellite signal acquisition status
     - GPS/BDS location (longitude and latitude)
     - Altitude from barometric altimeter (It is possible to detect altitude real time even indoor a room with no GPS signal)
     - Shooting direction (Digital compass)
     - Heading (very useful for car driving, sail and flight)
     - Time and data (UTC and local time both are available)
     - Speed
     - Pitch and Roll
     - Temperature
     - Power status   
Dual positioning system, GPS plus Beidou(BDS), user can choose preferred positioning system.
Fast signal acquisition and much more accurate positioning even possible inside an airplane or helicopter.

Build in Altimeter Barometer
The receiver provides two kinds altitude data, one is from GPS/BDS, the other is from barometric altimeter. User can select the altitude according to the actual environment.
The altitude from barometric altimeter can be calibrated, which ensure the altitude is much more accurate.
Compared with the altitude from GPS/BDS, the altimeter altitude is more accurate.
Indoor location
When you enter places where there is no GPS/BDS signal, GMAX-EOS will re-use the last received GPS/BDS information (Latitude, Longitude), but the Altitude, Direction and UTC time are real time running by built-in sensors.

Equipped a built-in 1900mAh lithium battery so no energy is drained from the camera's battery
The receiver is equipped a 1900mAh lithium battery and a full charge supports more than 19 hours of continuous work. Users will no longer worry about the recharging in photographic day or on travel.

Auto working mode
The GMAX-EOS is designed with Auto working mode. When choosing Auto working mode, the receiver is on / off following the connected camera’s on / off. This is very convenient for photographer to use camera and GMAX-EOS together. In auto working mode, the receiver is always on standby and this ensures the receiver drains the power less and acquires the signal quickly.

It also acts as a stand-alone GPS logger
The internal flash is 4GB and it supports more than 170 days continuous log record at the interval of 1 sec. User no longer worry about the storage space is enough or not.
Serving as a Digital compass, the direction, pith and roll data can be clearly viewed and recorded in log file.
Easy to copy the log files, just like a FAT32 format USB flash disk, no software driver was needed.

Hot shoe or USB terminal connectivity
The GMAX-EOS can be connected to camera via special USB sprial cable when used with external Speedlite. The special spiral cable is standard supplied with the package. If do not use speedlite, GMAX-EOS can simply be mounted on the camera's hot shoe.

Accurate Clock
The GMAX-EOS can be used as a very accurate independent clock and the accuracy is 0.1sec. The time on the clock can be adjusted by GPS/BDS intermittently.

GPS Time Sync Function
The camera time can be synchronized to the UTC time provided by the satellite and [Auto update] can be enabled to acquire the accurate time information.

SPECIFICATION

Compatible cameras          EOS DIGITAL cameras
                                         Cameras with [GPS device settings] menu item: All features available
                                         Cameras without [GPS device settings] menu item: LOG mode available

Geotagging Images            Latitude, Longitude, Elevation, Direction, Time (UTC) and signal acquisition
                                         GPS-compatible camera: can be tagged during shooting
                                         (EOS 7D and EOS 1300D / Rebel T6, EOS 1200D / Rebel T5 do not support tagging the direction)

Internal memory                4GB

Reception frequency          L1, 1575.42 MHz    B1, 1561.098MHz

Data format                       NMEA-0183

Data update rate                Once per second

Time adjustment                Camera time can be set from GPS time date

Digital compass                  Tri-axial geomagnetic sensor and tri-axial acceleration sensor used to calculate direction

Power supply                      1900 mAh Li-ion

Dimensions                         55 x 75 x 45 mm /2.2 x 3.0 x1.8 in. (W x H x D)

Weight                               Approx. 110 g / 3.8 oz.

Operating temperature       -40°C to +80°C /-40° F to 176° F

Operating humidity             5% to 95%, Non condensing

● Receiver specifications and appearance are subject to change without notice.

USER MANUAL
For more details, please download  Solmeta GMAX-EOS GPS Geotagger User manual.