TP-Link Tapo TD20 doorbell chime Black

TP-Link Tapo TD20. Product colour: Black. Connection type: Wired, Wi-Fi frequency: 2.4 GHz, Wi-Fi standards: 802.11b, 802.11g, Wi-Fi 4 (802.11n). Megapixel (approx.): 3 MP, Maximum video resolution: 2304 x 1296 pixels, Frame rate: 15 fps. Compatible memory cards: MicroSD (TransFlash), Maximum memory card size: 512 GB. Power source type: Battery, Input voltage: 100-240 V, AC input frequency: 50-60 Hz