BW Wireless Quad Band GSM Desk Phone - 2.4 Inch LCD Screen, Rechargeable Battery, Caller ID, Redial, Hands Free Functions Quad Band GSM 850/900/1800/1900 2.4 inch LCD Screen you can clearly see all the inputs This Wireless Quad band GSM Desk Phone has a powerful aerial for great signal reception and supports hands free as well as caller ID, redial and second dial call functions. It can store up to 200 contacts and you can even use it hands free with the speaker phone button. The 800mAh battery let the phone be used for 4 hours of talk time and or has enought power for 72 hours of standby