SPECIFICATIONS

Dimension:  1.38 in. H x 2.40 in. W x 4.28 in. D (35 mm x 61 mm x 109 mm)
Weight:  2.4 oz. (69 g) without battery
Battery Type:  9V alkaline
Low Battery:  Unit will beep to indicate low battery
Sound Intensity:  85 dB at 10 ft. (3 m)
Operating Temperature:  20­° to 105°F (-7° to 41°C)
Storage Temperature:  -20° F to 150° (-29°C to 66°C)
Humidity:  5-90% RH (non-condensing)
Shock Resistance:  Shock resistant from a 6 ft. (1.8 m) drop onto concrete
Water Resistance:  Splash and water resistant, not waterproof. Floats on surface if battery is installed correctly.

Check more:

https://drive.google.com/file/d/15jF-18__XFjDHuvHBML9OggrXJPFlYKq/view?usp=sharing