This LED bulb has build-in recognize circuit. It will automatically light up when the power supply suddenly breaks off. It supports emergency lighting long for 4 hours. It can be used as emergency light just by making current circuit such as taking the bulb head by thumb and middle finger and touch the bulb top by index finger.

Features:
Build-in recognize circuit, support emergency light for 4 hours.
LED provides high light and saves more energy.
Apply to home illumination and outdoor activity illumination.
Portable, very convenient to carry.

Specification:
LED type: 10 * 5730
Luminous flux: 420-470LM (Normal mode), 350-430LM (Emergency mode)
Color temperature: 6000K
Power: 5W
Input voltage: AC 85-265V
Current: 3A
Battery capacity: 1500MA
Charging time: 1-2H
Lighting time for emergency: 4H
Material: ABS
Item size: 6 * 10.9 cm / 2.4 * 4.3 in (D * H)
Item weight: 84 g / 3 oz
Package size: 10.5 * 6.5 * 6.5 cm / 4.1 * 2.6 * 2.6 in (L * W * H)
Total weight: 104 g / 3.7 oz

Package list:
1 * LED bulb