Product Parameters
Color: Black. Material: ABS. Dimensions: 3 x 2 cm. Weight: 200 g. Wireless emergency call button with indoor receiver, featuring an SOS button design and a compact receiver with side buttons.

Core Features
Provides a strong wireless signal for whole-home coverage, with up to 300m range in open areas and 30–50m through walls. Includes an SOS emergency call function that triggers a loud indoor alarm for quick attention. Supports silent mode with flashing light alert for nighttime use or quiet environments. IP55 water and dust resistance with silicone protection, suitable for outdoor installation and operation from -30 °C to 70 °C. Built-in speaker with up to 110 dB maximum volume and 5 adjustable volume levels. Powered by a built-in 12V 23A battery designed for low power consumption and long battery life.

Applicable Scenarios
Suitable for seniors living alone, individuals with limited mobility, and households needing a simple emergency solution. Can be used in bedrooms, bathrooms, gardens, large apartments, and villas, and can be installed on doorframes or other outdoor locations where weather exposure may occur.

Product Summary
A wireless SOS emergency call button and receiver kit that combines long-distance signaling, adjustable loud alarm and silent flashing mode, IP55 protection, and quick installation without wiring.