The built-in Torch meter UI supports multi-screen page-turning measurement and display, supports intuitive display of daily, monthly and annual electricity column statistics, supports electricity measurement curve drawing and recording, supports three electricity billing modes with stepped and valley single rates, supports visual distribution network and standby calendar and large-character eye-catching measurement and display, supports MQTT protocol data transmission for WiFi networking, supports mobile phone Bluetooth BLE protocol and computer SPP protocol to achieve real-time frame data transmission between PC and mobile phone, and supports free function upgrades for WiFi networking WiFi-connected mobile phone remote control, no distance limit, through the smart life APP can achieve remote measurement, remote setting, power consumption curve, etc., safe electricity use, real-time monitoring of electricity consumption data changes, power consumption situation is clear at a glance Just one "AT24CB/W" is all you need for your entire home, allowing you to monitor your electricity usage at any time. It features new features like a curve display, a power statistics table, a standby calendar, offline timekeeping, optimized background settings for clearer and more intuitive parameters, and value recording. With four major functional interfaces, four safety alarm prompts and a single-screen display of multiple detection parameters, the AT24CB/W is incredibly powerful, capable of testing a wide range of home appliances. The WiFi network curve AC meter (AT24CB/W) can be downloaded and installed on your mobile phone with the Smart Life APP, which enables rich network remote control and remote measurement functions. Almost all host functions can be remotely covered on the mobile phone APP for function control, data monitoring, electrical parameter curve statistics, etc Bluetooth BLE and SPP dual-mode protocol short-distance data transmission function Technology has added the Bluetooth Low Energy (BLE) and SPP protocols. The BLE protocol is used to connect and Android phone apps, while the SPP protocol is suitable for online data transmission between PC apps, allowing the software to display and export power usage in real time (refresh once per second) (data is only available when Bluetooth is connected) Product name:WiFi networking curve communication table Product model:AT24CB/W voltage range:AC50~320V Current range:0~100A Power range:0~32000W Frequency range:50~60Hz WiFi networking:support Bluetooth connection:support computer connection:support Overvoltage prompt:support Overcurrent prompt:support Defect reminder:support Low pressure reminder:support power factor:0.00~1.00PF (The product printed words depending on the batch, but this does not affect use) Color: As Shown Material: plastic Package Contents: 1 * WiFi networking curve communication table Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.