Bewinner Wireless Intercom Doorbell, 2.4G WiFi Duplex 2 Way Communication Doorbell with Clear Sound Long Distance 300M & Easy Installation for Home Office Security

Specification: Item Type: Wireless Doorbell Material: ABS Water Proof Rating: IP4X External Doorbell Battery: Lithium Ion Battery 800mAh (Built in) Internal Receiver Battery: Lithium Ion Battery 800mAh (Built in) Transfer Distance: 300m (Open Field) External Doorbell Standby Time: About 6 Months WiFi Version: 2.4G Charging Interface: Type C Pickup Distance: 5m How to Use: Press the outdoor transmitter call key, then press the indoor receiver answer key to start two way talk. packing list: 1 x Outdoor Doorbell 1 x Indoor Receiver 1 x Large Cover Plate 1 x Small Cover Plate 1 x Charging Cable 1 x Base 1 x User Manual 2 x Adhesive Stickers Notice: 1. The working mode of the doorbell is that when someone presses the doorbell, the indoor unit is activated and connected. If no one presses it, the indoor unit cannot be woken up actively by the call key. 2. Transfer distance and usage conditions: The doorbell uses 2.4G WiFi connection, and the unobstructed flat transfer distance can achieve 300 meters. If there are walls blocking, the distance will be halved, and so on. Therefore, it is recommended that the distance of wall should not exceed 5 floors. (Some metal strong magnetic doors have strong shielding characteristics, which may cause no signal. Please avoid installing directly on the door when using.)

• [One Key Call] When guest outside the door presses the doorbell, you can choose answering or hanging up, making a two way conversation directly, just like making a phone call.
• [Clear Sound] Professional duplex call solution, no broken sound during calls, making talk clearer. The call volume can be adjusted in 4 levels, and the doorbell sound can be switched between 4 modes.
• [Long Distance] Using professional 2.4G WiFi signal, with long coverage distance, up to 300M in open areas, and also has premium wall penetration performance.
• [Long Battery Life] Both indoor receiver and outdoor doorbell have built in 800mAh rechargeable battery. Indoor receiver lasts 5 days, outdoor unit lasts 5 months with daily 5 calls of 30 seconds each. When the doorbell runs low on battery, it will emit a warning sound.
• [Easy Installation] Simply attach the no dust sticker on the doorbell and install, no drilling required, easy and convenient.