The bulb should be installed downward and no higher than 10 feet, else the sensor will not work detect movement.
This PIR motion sensor bulb CAN NOT work through glass or any lamp covers, as the bulb must be completely exposed else the sensitivity will reduce and bulb may not glow when needed.

[Key Features]:

1. Built-in PIR Motion Sensor & Dusk to Dawn Sensor
2. Stays off during day, Auto On/OFF when it senses motion in dark.
3. 120 Degree motion detection angle
4. Bulb Base: B22 (fits in all Indian bulb holders)
5. Touch free Operation
6. Electricity Saver
7. Auto Off after 80-90 second when no motion detected
8. User Friendly
9. Suitable for Bathroom, Balcony, Staircase, Porch, Driveway, Store Room etc.

Product Details:
Material: Aluminium casing with powder coating
Low Voltage: 100-240 V
Beam/Sensor angle: 120°
Sensor distance: 8 - 10 feet
Installation Height: 7-10 feet
Blub Holder: Fits into B22 bulb holders

Warranty terms : Battery carries only 6 months warranty - No warranty for Accessories, cables or Tools supplied - Warranty Does Not Cover Damages Resulting From Accidents, Mishandling Or Tampering. - Warranty will be validated against purchased site order number/invoice copy.