Specifications:
1) Input voltage: DC12V (10.5-15.3V), DC24V (21-30.5V), DC48V (40-60V),
three standards
2) Output voltage: AC220V10V, AC110V10V, two standards
3) Output frequency: 502Hz
4) Constant output power: 300W
5) Constant output power: 350W (1/2 hour)
6) Overloading protection: 380W (0.1 second)
7) Temperature protection: 65oC  1oC
8) Surge power: 550W
9) No loading current: <0.3A
10) Low voltage alarm: 10.5V0.2V, 21V0.2V, 410.2V
11) Max cut-off voltage: 9.8V0.2V, 200.2V, 400.2V
12) Min cut-off voltage: 15.5V0.2V, 30.00.2V, 600.2V
13) Power efficiency: full load>88% (1/2 load>90%)
14) Operating temperature: 0oC-40oC
15) Storage temperature: -40oC~80oC
16) Dimensions: 120 x 105 x 53mm
17) N.W.: 0.45kg

Packing: white box