Introducción
This manual provides detailed instructions for the installation, operation, and maintenance of your Mr Beams MB981 LED Ceiling Light. Please read these instructions carefully before use to ensure proper function and safety. This battery-powered, motion-activated LED light is designed for convenient illumination in various indoor and outdoor locations.

Image: The Mr Beams MB981 LED Ceiling Light, a white, circular, battery-operated light fixture, shown from a slight angle.
Configuración e instalación
Componentes incluidos
- Mr Beams MB981 LED Ceiling Light
- Tornillos de montaje
- Anclajes de tornillo
- Manual de usuario (este documento)
Instalación de la batería
The Mr Beams MB981 LED Ceiling Light requires 4 "C" size batteries (not included).
- Twist the light fixture counter-clockwise to detach it from the mounting base.
- Locate the battery compartment on the back of the light fixture.
- Insert 4 "C" batteries, ensuring correct polarity (+/-) as indicated inside the compartment.
- Reattach the light fixture to the mounting base by aligning the tabs and twisting clockwise until secure.
Instrucciones de montaje
The light can be mounted on a wall or ceiling.
- Choose a desired mounting location. Ensure the surface is suitable for drilling.
- Detach the mounting base from the light fixture by twisting counter-clockwise.
- Position the mounting base against the chosen surface and mark the screw hole locations.
- Drill pilot holes at the marked locations. If mounting into drywall, insert the provided screw anchors.
- Fije la base de montaje a la superficie utilizando los tornillos proporcionados.
- Align the light fixture with the secured mounting base and twist clockwise until it locks into place.

Image: Hands demonstrating how to attach the light fixture to its mounting base, showing the twist-lock mechanism for installation.
Operación
Activación de movimiento
The Mr Beams MB981 LED Ceiling Light is equipped with a motion sensor that automatically turns the light on when motion is detected within its range. The motion sensor has a detection angle of 140° and a range of up to 20 feet.
- The light will activate only in dark conditions to conserve battery life.
- Ensure the motion sensor is not obstructed for optimal performance.
Apagado automático
The light will automatically turn off 20 seconds after the last motion is detected. This feature helps to maximize battery efficiency.
Condiciones de funcionamiento
The light is designed to operate in temperatures ranging from 0°F to 131°F (-17°C to 55°C). It has an IPX4 weatherproof rating, making it suitable for damp locations but not for submersion.

Image: The Mr Beams MB981 LED Ceiling Light installed on a ceiling, providing illumination to a mudroom area with coats hanging below.

Image: The Mr Beams MB981 LED Ceiling Light installed on a ceiling, providing illumination to a laundry room with shelves and baskets.

Image: The Mr Beams MB981 LED Ceiling Light installed on a shower ceiling, providing light in a tiled shower stall.
Mantenimiento
Reemplazo de batería
When the light output appears dim or the motion sensor becomes less responsive, it is time to replace the batteries. Follow the battery installation steps outlined in the "Setup and Installation" section.
- Always replace all 4 "C" batteries at the same time.
- No mezcle baterías viejas y nuevas, o diferentes tipos de baterías.
- Deseche las baterías usadas de acuerdo con las normas locales.
Limpieza
To clean the light fixture, wipe it with a soft, damp Paño. No utilice limpiadores abrasivos ni disolventes, ya que pueden dañar el acabado o los componentes electrónicos.
Solución de problemas
| Problema | Posible causa | Solución |
|---|---|---|
| La luz no se enciende. |
|
|
| Light stays on continuously or turns on without motion. |
|
|
| La luz es tenue. |
|
|
Especificaciones del producto
| Modelo | MB981 |
| Flujo luminoso | 200 lúmenes |
| Temperatura del color de la luz | 3200K (blanco cálido) |
| Modos de iluminación | Activado por movimiento |
| Ángulo de detección de movimiento | 140° |
| Rango de movimiento | Hasta 20 pies (6 metros) |
| Apagado automático | 20 segundos |
| Fuente de poder | 4 x "C" Batteries (not included) |
| Condiciones de funcionamiento | 0 °F a 131 °F (-17 °C a 55 °C) |
| Montaje | Pared o techo |
| Clasificación a prueba de intemperie | IPX4 |
| Dimensiones de la unidad | 1.93 x 6.3 x 6.3 pulgadas (4.9 x 16 x 16 cm) |
| Peso unitario | 0.77 libras (0.35 kg) |
Información de garantía
All Mr Beams products are guaranteed against defects in workmanship and materials for 1 year from the date of purchase. For warranty claims or further details, please refer to the official Mr Beams websitio o póngase en contacto con el servicio de atención al cliente.
Apoyo
For additional information, product support, or to view frequently asked questions, please visit the official Mr Beams product support page. You can find more details by searching for "Mr Beams support" online.