Feature Highlights: 1. Reliable Chipset: Equipped with the NRF51822 Bluetooth chip for stable performance and efficient connectivity. 2. Adjustable Broadcast: Customizable broadcast interval (default 1000ms) with signal strength adjustable across 9 levels (-95dB to 4dB), supporting communication within 50 meters. 3. Long-Lasting Battery: Powered by a CR2032 button battery (240mAh capacity), designed for extended use with low energy consumption. 4. Durable & Protective: IP65-rated waterproof and dustproof housing (splash-resistant, not for soaking), made of sturdy plastic in a clean white finish. 5. Compact & Versatile: Small size (30 x 30 x 10mm) allows easy integration into various applications—ideal for positioning, smart tags, sensors, wearables, home automation, and industrial uses. Product Details: This Bluetooth iBeacon module serves as a flexible positioning base station, suitable for indoor navigation, proximity sensing, asset tracking, and smart device management. It supports wireless charging compatibility and is widely used in consumer electronics, smart home systems, healthcare monitors, toys, and industrial sensors. The housing ensures protection against dust and light splashes, while the tool-free design allows quick setup and deployment. Specifications: - Chip: NRF51822 - Broadcast Interval: 1000ms (adjustable) - Communication Distance: Up to 50m - Battery: CR2032, 240mAh - Broadcast Power: -95dB to 4dB (9 adjustable levels) - Protection Rating: IP65 (water and dust resistant) - Size: 30 x 30 x 10mm - Material: Plastic - Color: White Package Includes: 1 x NRF51822 Bluetooth Module with Shell Note: Slight color variations may occur due to lighting or display differences. Product dimensions may have a tolerance of +/- 1–3cm. Other accessories are not included unless specified.