Wireless Intercom System 300m Range Slim Design 1800mAh Battery 38 Ringtones

Product Details ①. Long-range wireless communication with tested 300m range, penetrates walls and floors for clear communication from 1st to 8th floor, suitable for elderly care, home and office use. ②. Slim 18mm thickness design with high-gloss UV-treated finish and plastic + silicone button structure for comfortable tactile experience. ③. User-friendly features include talk light and battery light display for easy monitoring, with charging dock for smart charging. ④. 1800mAh polymer lithium battery provides about 1 week working time with normal use (5 calls per day) and 3-5 days standby time. ⑤. Two frequency options (462MHz and 434MHz) to avoid interference, with 38 ringtone options and 3 adjustable volume levels for ringtones and call volume. Specification ①. Material: Plastic ②. Colour: White Silver ③. Thickness: 18mm (0.71 inches) ④. Battery: 1800mAh polymer lithium battery ⑤. Battery Powered: DC5V/1A ⑥. Working Temperature: -20°C to 55°C (-4°F to 131°F) ⑦. Transmission Distance: Approximately 1000 meters (3280.84 feet) of open space, 20-100 meters (65.62-328.08 feet) of partition walls, floors 1-8 ⑧. Working Frequency: B-gear frequency 462MHz, A-gear frequency 434MHz ⑨. Working Time: Charge once for about 1 week ⑩. Charging Time: Approximately 5 hours when fully charged ⑪. Standby Time: 3-5 days ⑫. Sound Adjustment: 3rd gear adjustable ⑬. Music Ringtones: 38 ringtones ⑭. Ring Volume: Level 3 adjustment (standby machine volume adjustment key) ⑮. Call Sound: Level 3 adjust call size (adjust volume key during call operation) Package Contents ①. 2x Home intercom pager Warm Tips ①. The two devices must be used together and cannot be used separately. ②. Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. ③. The measurement allowed error is +/- 1-3cm.