The Aqara Presence Multi-Sensor FP300 is a battery-powered, low-power human presence sensor that combines millimeter-wave radar, human infrared-detection technology, and advanced AI algorithms to eliminate space interference and accurately detect human presence. Dual PIR and mmWave Sensors. AI-powered detection, unmatched accuracy at all times. Light, temperature, and humidity sensor for home comfort. Battery-powered for flexible installation. FP300 Presence Multi-Sensor User Manual Height: 2.4 in. / 6 cm Length: 1.9 in. / 4.9 cm Width: 2 in. / 5.1 cm Weight: 2.9 oz. / 82 g Other Features: HomeKit Compatible, Thread Internet Access: Internet access required Connections: Matter over Thread, Bluetooth Power: 3V 600mAh Power Source: Battery Battery Type: CR2450 Operating System: iOS 18.5 or newer is recommended. Mfr. Part Number: AS077USW01 UPC or EAN No.: 6978350352022 Warranty: 1 year Note: Products sold through this website that do not bear the Apple brand name are serviced and supported exclusively by their manufacturers in accordance with terms and conditions packaged with the products. Apple’s Limited Warranty does not apply to products that are not Apple branded, even if packaged or sold with Apple products. Please contact the manufacturer directly for technical support and customer service. Due to standalone lithium-based battery shipping restrictions, this product may only ship via ground and is subject to domestic and international shipping requirements. If the final ship-to address cannot be shipped to via ground, the order may be subject to cancellation.