The TP-Link TL-WA854RE range extender connects to your router wirelessly, strengthening and expanding its signal into areas it can\'t on its own. The device also reduces signal interference to ensure reliable Wi-Fi coverage throughout your home or office.Press the WPS button on your router and the Range Extender button on your 854RE within 2 minutes to easily connect to the network. Once connected with an existing router, you can simply unplug and plug the TL-WA854RE back in a location for the best signal quality and coverage in your house, without needing to configure the extender again.5 signal lights show the strength of signal that TL-WA854RE receives from the existing router, which can help to find the right location to place the range extender. It is recommended that you choose a location where at least 3 signal light green in order to guarantee a good performance.With the Tether App you can use any mobile device to easily access and manage various features, including the LED Control function\'s Night Mode, which allows you to enjoy a more peaceful night\'s sleep.FeaturesRange Extender mode boosts wireless signal to previously unreachable or hard-to-wire areas flawlesslyMiniature size and wall-mounted design make it easy to deploy and move flexiblyEasily expand wireless coverage at a push of Range Extender buttonTether App allows easy access and management using any mobile deviceLED Control function includes a Night Mode for peaceful sleepSpecificationsStandards and Protocols: IEEE 802.11b/g/nButton: WPS Button, Reset ButtonDimensions (W X D X H): 65.8 x 75.2 x 110mmPower Consumption: 3.3WAntenna Type: 2 Internal AntennasFull Specifications here:https://www.tp-link.com/uk/home-networking/range-extender/tl-wa854re/#specifications