Rechargeable emergency light bulb uses led technology. When power goes off and the light senses that main power has been cut and switches to battery power to illuminate the bulb. While the power is out the bulb still works in the device as normal, if you turn the device off, the light goes out, if you turn the device back on, the light comes back on.
Carton box 50-100 pcs.
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Rolls 50 meters(60yards)
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