Model name Smart Smoke Alarm Kit (With Hub)|Wireless Frequency Range 2.4GHz|Included Accessories 2 × Expansion Screw1 × User Manual2 × 1.5V AA Battery1 × Power Adapter1 × USB Cable1 × Smart Hub1 × CE DOC|Dimensions Alarm: φ120 × 36.7 mm ; Hub: 59 × 41 × 21 mm|Unit Net Weight 0.305 kg
Smart Smoke Alarm Kit GS559AH
•Safe and Reliable: Comply with CE EN14604 (Certified by Intertek). Alarm at maximum 85dB.
•Alarm Linkage: When one alarm detects smoke, all alarms will chirp to remind you. (Purchase multiple smoke alarms.)
•Alert: Your Meross app or Apple Home app will receive an alert instantly when danger happens.
•Battery Replaceable: 2 x 1.5V AA batteries included and replaceable.
•Automation: Set triggers to control other Meross devices in the Meross app.
•Smoke and Overheat Detection: In addition to smoke detection, it can also detect overheating. When the temperature is too high (54 - 70?), it will chirp to remind you.
•Control Up to 16 Devices: One hub is able to control 16 meross devices (sensors, detectors, thermostat valves) at same time.
•Works with Apple HomeKit and is compatible with SmartThings.
Model name TAPO H200|Wireless Frequency Range 2.4GHz Wi-Fi & Sub-1G|Included Accessories RJ45 Ethernet Cable,Power Adapter,Quick Start Guide|Colour White|Dimensions 71.45 x 71.45 x 31.25 mm|Unit Net Weight 0.08 kg