The Yealink W53H is the next-generation wireless handset designed for business use with excellent battery life and high compatibility. Combining the benefits of wireless communication with rich business features of Voice-over-IP telephony, it empowers users with convenience of wireless communication and allows them to enjoy conversations in excellent speech quality, benefit from freedom of movement and use all of its professional features. The more compact and attractive design with 1.8" TFT colour screen underlined by its modern look is what defines this state-of-the-art VoIP wireless telephone. Premium HD Audio Quality Based on wireless CAT-iq2.0 DECT standard to offer premium and stable HD audio quality for efficient and clear communication. Ergonomic Design Right fit in the palm of your hand industry design at just 150mm tall and 25mm deep allows you to carry or put in your pocket with comfort. Professional and stylish silver-grey metallic appearance. Easy and quick operation with 1.8" 128x160 pixel colour screen. Dependable and Rugged Installed with Li-ion battery, ready for long time communication with 18 hours talk time and 200 hours standby time. Support optional protective case with water and dust proof, and break resistance features. Seamless compatibility with Yealink W60B / W80B DECT Base Stations (Sold Separately) The Yealink W60B is a powerful scalable DECT Base that supports up to 8 handsets, 8 SIP accounts and 8 concurrent calls. Equipped with robust hardware and rich features, it perfectly caters to your busy small- to medium-sized office. The Yealink W60B DECT Base works seamlessly with the entire Yealink DECT handset range and repeater. **The Yealink W53P systems can be expanded by up to a total of 8 cordless handsets by adding the Yealink W53H additional cordless handsets.**