<b>Specifications:</b><br> 1. Wireless Doorbell Receiver: The product has built-in ringtones with strong penetrating power and high sensitivity. It can be wirelessly transmitted over long distances and is used as an indoor receiver for smart doorbells.<br> 2. Easy to Install: The Video Doorbell Camera is easy to install with double-sided adhesive tape, also suitable with screws and bolts to fix. No need for any other tools, it only takes you 5 minutes to finish the installation.<br> 3. Intelligent Doorbell Camera: The Video Doorbell Camera is suitable for Wi-Fi. No need to connect with wires and outlets, convenient to use. Take an eye on your home day and night, and let you see, hear and speak to people from your phone.<br> 4. 65°View Angle: Disassembly-free cycle charging, built-in 800MAH lithium-ion high-capacity battery. More than 6 months of regular use, charging time 1.5 hours. 65 ° view HD clear video, details at the door, reliable and practical.<br> 5. Multiple Functions: The doorbell receiver can be used for the doorbell or emergency call functions. You can choose a tone as the emergency call tone. It is beneficial for the elderly and pregnant women.<br><br> Specifications:<br> Product name: Intelligent wireless doorbell<br> Battery capacity: 800mA<br> Power input: 5v = 2a<br> Charging time: 1.5 hours<br> Standby time: more than 2 years<br> Intercom type: colour video<br> Camera resolution 480*640<br> Doorbell size 7.5*4.8*1.6cm/2.9*1.8*0.6in<br> Dingdong machine size 5*3.8*2cm/1.9*1.4*0.7in<br><br> Package List:<br> 1 * Doorbell, 1 * User manual, 1 * Charging cable