2.4G Wireless Intercom Doorbell Wireless Voice Two-Way Portable Walkie-talkie Doorbell (Silver)

Description   This device comply with rulers and regulations related to FCC, CE, CCC。 Outdoor-bell is power supplied by 4pcs alkaline battery, easy to replace the battery, indoor-bell is power supplied by rechargeable Li-ion battery. Pair method is easy as follows. Turn indoor-bell on and hold Answer Button for about 5 seconds, then release this button, LED flash quickly, now, click the Ring Button on the outdoor-bell. When LED on theindoor-bell go out, it means they pair successfully.   Features   - Color: Silver. - Material: Mainly Plastic. - Size: Approx. 6 * 10 * 6cm/ 2.4 * 4 * 2.4 inch (L*W*H). - Low power consumption, long standby time for outdoor-bell up to six months.  - Big and adjustable speaker, clear voice, can be used as mobile interphone. - Long wireless distance up to 300M. - Easily installed with 3M tape on the wall. - Outdoor-bell pair with indoor-bell by learning its code, 1 outdoor-bell can paired with N indoor-bells and no interference ea