Usage Scope Cell-phone, notebook computer, electric light, camera, TV, razor, CD, fan, game machine, massage and medical equipment, refrigerator, safeguard, professional tool, instrument, dust catcher and other electric apparatuses with the power no more than 150W Protection: Overload protection, High temperature protection, Short circuit protection, Reverse polarity protection. Auto re-start function: When the inverter shuts off once it being in protection, it is not necessary to press the switch (on/off), just moving the high loads, the inverter can restart automatically. So there is no need to place the spare fuse. ITEM ONS-150 Continuous Power 150W Peak Power 300W Output Wave Modified Sine Wave Efficiency >90% High Temperature Protection YES >45°C Short Circuit Protection YES Reverse Polarity Protection YES Auto Re-start Function YES Dimension 95*63*38 mm Net Weight 0.3KG Carton Meas 61*53*45cm Packing Plastic Blister Package 40PCS /case G.W./N.W. NOTICE: 1. Please make sure that the rated power you use in this unit is less than 80W(for long time use). In this way, the inverter can be used for a long time. 2. Unfold the fuse box, then replace the fuse with the same model. 3. Please make sure to use this unit in draught place and keep it away from high temperature, stress, tide and dust.