LIFT BOX USB it's an automatic extension power socket, recessed into the worktop. LIFT BOX USB is an automatically extendable furniture extension cord. The device is designed for mounting in kitchen, conference or office countertops.It has 3 sockets 230V AC max 16A and 2 USB sockets max. 5V DC/2,1A with a built-in charger.The USB port enables fast charging.Just connect your phone or tablet to quickly charge the battery!How to use the device:1. Starting the device - touching the on / off switch symbol for about 2 seconds - green backlight.2. Ejecting the device - to eject the LIFT BOX, touch the highlighted on/off switch symbol.3. Lowering the sockets - a short touch of the symbol when the switch symbol is illuminated (active device) or a long touch of the symbol for about 2 s when the device is inactive (no symbol backlight), then a short touch to leave the sockets.4. Stopping the device during extending or lowering - touching the symbol during the lifting or lowering process.5. Note. If the device encounters an obstacle while extending or lowering the sockets, it will stop automatically. Product details Power supply 230V AC Power 3600W Protection ingress IP IP20 Dimensions of mounting hole (mm) Ø93 Material Plastic/Aluminium Cable length 2 m Type USB USB type A Number of USB ports 2