Ymiko Long Distance Wireless Voice Intercom Doorbell with One Key Call, Clear Sound, Long Battery Life, for Easy Installation, Smart Door, WiFi Doorbell, Cordless

[Clear Sound] Enjoy crystal clear audio with 4 levels of adjustable volume and 4 switchable doorbell sound modes for optimal communication.
[Hassle-​k>​ Installation] No drilling required – just attach the dust sticker, making it easy and convenient to set up.
[Extended Battery Life] Stay powered up with built-in 800mah batteries, offering 5 days of indoor receiver operation and up to 5 months on the outdoor unit with regular use.
[One Key Call] Greet guests with a simple press, allowing immediate two-way conversations like a phone call.
[Long Distance] Utilize professional 2.4g wifi for coverage up to 300 meters in open areas with ​ penetration performance.

Spec:
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

Package 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

How To Use:
Press the outdoor transmitter call key, then press the indoor receiver answer key to start two way talk.

Note:
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
[Clear Sound] Enjoy crystal clear audio with 4 levels of adjustable volume and 4 switchable doorbell sound modes for optimal communication.
[Hassle- Installation] No drilling required – just attach the dust sticker, making it easy and convenient to set up.
[Extended Battery Life] Stay powered up with built-in 800mah batteries, offering 5 days of indoor receiver operation and up to 5 months on the outdoor unit with regular use.
[One Key Call] Greet guests with a simple press, allowing immediate two-way conversations like a phone call.
[Long Distance] Utilize professional 2.4g wifi for coverage up to 300 meters in open areas with penetration performance.