Blackt Electrotech BT31P2 230V Waterproof Auto Day/Night Photocell LDR Sensor Switch for Lighting – 1 Pc, White

The Blackt Electrotech BT31P2 LDR Sensor Switch is a reliable, energy-efficient solution for automating outdoor and indoor lighting based on natural light levels. Designed for auto ON at dusk and OFF at dawn, this photocell switch helps reduce electricity usage and extends the life of your lights by operating only when needed.

Operating on 230 volts AC, this sensor switch is waterproof, making it ideal for outdoor areas such as gardens, streets, balconies, corridors, signboards, and building exteriors. It comes with a built-in relay for consistent performance and supports a 1-way connection.

Durable, compact, and easy to install, this auto day/night light switch is perfect for both residential and commercial applications.

Key Features:

• Automatic light control: Turns lights ON at night and OFF during the day

• 230V AC operating voltage, suitable for most lighting systems

• Waterproof and weather-resistant – perfect for outdoor use

• Photocell (LDR) sensor for accurate daylight detection

• Includes relay for stable switching performance

• 1-way configuration, easy wiring and installation

• Ideal for garden lights, street lamps, signboards, and security lighting

What’s in the Box:

• 1 × Blackt Electrotech LDR Sensor Switch (White)