The EasyMini is a small form factor dual deployment altimeter that uses a barometric sensor to determine the apogee point and the descent altitude. Built-in Micro USB port allows you to connect directly to your computer without using a special data transfer kit. The device has two different battery ports. You can use the special connector to use the AltusMetrum LiPo battery or use the data strip to connect a 9V battery. Current version shipping is 2.1 EasyMini Manual AltOS Software Download DESCRIPTION Altus Metrum EasyMini Altimeter Specifications Recording altimeter for model rocketry Supports dual deployment (can fire 2 ejection charges) Barometric pressure sensor good to 100k feet MSL Designed to use a battery supplying 3.7V-12V. 1.5 x 0.8 inch board designed to fit inside 24mm airframe coupler tube 1MB on-board data logging flash Weighs only 6.5g (less than 1/4 oz) Altimeter Data Options Field Data Output: Beep Records Peak Altitude: Yes Records Peak Speed: Yes Records Peak and Average Acceleration (Gs): Yes Records Booster Burn Time: Yes Records Coast to Apogee Time: Yes Records Apogee to Ejection Time: Yes Records Time to Apogee: Yes Records Ejection Altitudes: Derivable Records Ejection Times: Derivable Records Flight Duration: Yes Displays Current Altitude: No # of Flights Stored: About 10min of data (1mb) Max Altitude: 100,000ft (30480 m) Sampling Rate: 100/ascent; 10/descent Measurement Units: Imperial / Metric Item Functions Barometric Pressure Altitude Sensor: Yes Accelerometer: No Gyro Tilt Sensors: No Magnetic Directional Sensor: No Event Timer? No Telemetry: No Field Locator: None Altimeter Dual Deployment Capability Dual-Deployment Capable? Yes Dual Deployment Pyro Channels: 2 Peak Velocity Eject Option? No Apogee Eject Option? Yes Descending Altitude Eject Option? Yes Timer Eject Option? Yes Manual Eject Option? No Configurable Velocity Eject Option? No Time Delay for Redundancy: Yes