TP-LINK TAPO T315 Smart Temperature & Humidity Sensor

Real-time and accurate monitoring - Detects temperature and humidity in real time with high accuracy. (Measurement accuracy: ±0.54 ºF, ±3% RH).
2.7-inch e-ink display - Shows temperature and humidity, comfort level with facial expressions, battery status, and signal.
Home automation - Automatically turn home electronics (e.g., heater, fan, humidifier, etc.) on/off to increase compliance and save energy.
Instant app notification – Receive an alert notification from the app when conditions fall outside the preset range.
Free data storage and visual graphs - Record temperature and humidity data and create regular data summaries.
Flexible installation – Simply place it on a table or mount it on a wall.
Required hub - Tapo Hub requires support for smart features such as remote control, home automation, data export, and more.

GENERAL
Operating temperature -20~60ºC / -4~140ºF
(Temperature display range: 0~50ºC / 32~122ºF)
Operating humidity 0%~99%RH
Dimensions (H X W X D) 62 × 62 × 24.5 mm
Display 2.7" E-ink
Power requirements 3.0 V DC (2 × AAA/LR03)
SYSTEM
Required node Yes
PACKAGE CONTENTS
Package contents Tapo T315 × 1
AAA/LR03 battery × 2
3M adhesive × 1
Quick guide × 1
TECHNICAL SPECIFICATIONS
Wireless 868/922 MHz
Temperature accuracy ±0.3°C /±0.54°F
Humidity accuracy ±3% RH
Data refresh rate 2s