Once any protection of the inverter is triggered, the inverter will cut off the power supply and load immediately and enter the protection mode, and the alarm sound will be issued by the beeping device to remind you.The upgraded circuit chip is and more , and the stable voltage improves the conversion rate.Refined pure oxygen-free pure copper wire core has good conductivity, stable voltage and no heat, lower resistance and more power saving.A of smart , rapid response to security upgrades, and multiple intelligent protections that the inverter is fully during use.'t worry about power outages, household appliances can be used outdoors, and can support scenes.Type: Pure Sine Wave InverterSocket: Universal (commonly used in sockets in all countries)Power: 3000WOutput frequency: 50HzInput voltage: 12VOutput voltage: 220VOutput voltage waveform: pure sine waveNotice:1. It cannot be connected to the power socket of the household grid for use.2. connecting the battery, please distinguish the and negative poles of the battery.3. Pay attention to waterproof, moisture-proof, drop-proof and pressure-proof.Type: Invertercolor:RedMaterial:aluminum alloyPackage Contents:1 x Inverter1 x Battery Clip1 x Battery Thick WireOnly the above package content, other are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.