Wireless intercom with up to 2 years of battery life, compact silver design. Model Name: WL-11 Included: Instruction manual, charger, camera unit, receiver Features: Wireless, up to 2 years battery life Color: Silver Size: Compact design Thank you for viewing. ☆ Operation confirmed. ☆ Used for several years. ☆ Outdoor unit: No noticeable scratches. Requires 6 AA batteries. ☆ Indoor unit: No discoloration, white and clean. Convenient as it can be moved with the charger. ☆ Used item. There may be some minor, inconspicuous scratches. Please refer to the photos. Thank you for your understanding. ☆ Box and instruction manual included. ☆ Wall-mount screws for the charging base are included.