Measurement Range: ± 3 g; 29.4 m/s² (96.5 ft/s²) Accuracy: ± 0.075 g; 0.735 m/s² (2.41 ft/s²) at 25°C (77°F); ± 0.105 g; 1.03 m/s² (3.38 ft/s²) from -20°C to 70°C (-4°F to 158°F) Resolution: 0.025 g; 0.245 m/s² (0.8 ft/s²)Logging Interval In Normal mode: 1 second to 18 hours, 12minutes, 15 seconds In Fast mode: 0.01 seconds (100 Hz) to 0.99 seconds (1.01 Hz) Time accuracy: ± 1 minute per month at 25°C (77°F)Operating Range In water/ice: -20° to 50°C (-4° to 122°F) In air: -20° to 70°C (-4° to 158°F) Water depth rating: 30 m from -20° to 20°C (100 ft from -4° to 68°F)Battery life In Normal mode: 1 year typical use; deployments in extremely cold or hot temperatures, or logging intervals faster than one minute, may significantly reduce battery life In Fast mode: 7 days logging at 0.01 seconds (100 Hz) Battery Type: CR2032Memory: 64K bytes (approximately 21.8K combined x-, y-, and z-axis readings or events) Materials: Polypropylene case; stainless steel screws; Buna-N O-ring Weight: 18 g (0.6 oz) Dimensions: 58 x 33 x 23 mm (2.3 x 1.3 x 0.9 inches) Environmental Rating: IP68; not rated for use in direct sunThe CE Marking identifies this product as complying with the relevant directives in the European Union (EU).