Top features three handsets let you answer calls easily caller id and nuisance call block for your privacy long cordless range with speakerphone for hands free calls eco mode and long standby time built in alarm keeps you organisedthree handsets let you answer calls easilywith three handsets, it's easier to answer calls around the house. Position them between your rooms so you can get to the phone sooner, rather than having to hurry to the hall or office. You'll miss fewer calls and can also swap handsets if the battery on one is running low.caller id and nuisance call blockit's always great to be able to see who's calling so you can decide which calls are most important to answer that's why the panasonic kx tgc413eb cordless phone offers a caller id function.keep your evenings peaceful with nuisance call block, which can bar up to 30 preset numbers so you're not bothered by cold calls in the middle of dinner. Block any number, including any head string of 2 to 8 digits that match your predefined numbers or numberless calls.remember that you'll need a subscription to the caller id service offered by your provider, and that numberless calls are blocked in accordance with your provider or telephone company.long cordless range with speakerphonetalk up to 100 m away from the base set when you're indoors, and up to 300 m away outdoors you can check on your kids or pets in the garden without having to hang up.if you're cooking, working or have your hands full, the speakerphone function allows for hands free calling so you can carry on with what you're doing while continuing your conversation. It's also great for family or group calls.eco mode and long standby timeconserving battery life and lowering electricity usage, the phone has a one touch eco mode. You can clearly see when eco mode is activated on the phone's big lcd display. On a full charge, the phone can be left unused for up to eight days or 200 hours.built in alarm keeps you organisedused the advanced alarm to wake you up or as a reminder you can set it to ring once or every day, and it includes 3, 5 and 10 minute snooze intervals for your convenience.