The Heiman S1-W WiFi Smoke Alarm provides real-time monitoring and instant alerts through a stable wireless connection. Designed for connected homes, it enables users to receive notifications anytime via mobile applications. The device ensures accurate smoke detection and features a loud alarm for immediate warning. Certified to UL217 10th edition and CAN/ULC-S531 standards, it complies with North American safety regulations. With app control and remote mute functions, the S1-W enhances convenience and safety. It is ideal for residential use, property management, and smart home solutions.

Working Voltage：DC3V (EVE CR123A)

Sensor Type：Photoelectric

Alarm Sound Level：≥ 85dB at 10ft

Temperature Range： 40℉ (4.4℃) to 100℉ (37.8℃)

Humidity Range：≤ 95%RH (non-condensing)

Alarm Sensitivity：1.9%/ft ± 0.33 %/ft OBS

Dimensions：Φ70 x H37mm

Heiman is a professional manufacturer specializing in fire safety alarms and smart home sensors, with over 21 years of industry experience. Founded in Shenzhen, China, the company operates a dual manufacturing base in Shenzhen and Vietnam, with an annual production capacity of 15 million units. Heiman owns a CNAS ISO7025 accredited laboratory and an Intertek/ETL recognized satellite lab, ensuring strict quality testing and compliance. With over 1,000 patents and certifications, the company serves customers in more than 100 countries worldwide. Heiman provides one-stop OEM/ODM solutions, including industrial design, hardware and software development, cloud integration, and technical support, making it a reliable partner for global distributors and brands.