Power Supply: AC220V--50Hz DC15V 1.2A Overall machine current: less than 800 mA Call delay time: 120S ± 10% Monitoring delay time: 60S ± 10% Camera sensor: OV1030 420 lines Lens: 3.6 mm, 92 degrees. Outdoor unit with infrared night vision function: low infrared opening 10LUX open Outdoor installation method: wall-mounted Connection wire: 4-core wire, supporting 2 terminal wires to 5-core 1. LCD screen: 7-inch color indoor station and outdoor doorbell with built-in HD camera allow you to see all visitors and speak to them. 2. Night vision: the doorbell gives visitors a clear view even in pitch darkness. 3. Function: the doorbell supports answering, monitoring, unlocking, and two-way intercom. 4. Waterproof and dustproof: the outdoor doorbell camera equipped with a waterproof cover can be used even in bad weather. 5. Optional bell tones: the doorbell has 12 polyphonic tones to choose from, so you won't always hear monotonous bell tones. [French company and brand TECH DISCOUNT]: Our company TECH DISCOUNT manufactures and sells this high-quality product compared to similar products on the market (Even if the photos are similar, they are not designed the same way and the sellers do not offer the same after-sale services). Each product undergoes strict quality control before shipment, ensuring you receive your product in excellent condition. In case of quality issues, we will provide a free exchange within 14 days. Shipped from France on the same day as the order and you will receive it as soon as possible (unlike other sellers who cannot guarantee the delivery time).