Product Description: [For 18V Battery Light]The led bulb flashlight is only compatible for 14.4V-18V max Li-ion batteries for BL1430 BL1440 BL1450 BL1460 BL1815 BL1830 BL1840 BL1850 BL1860 BL1430B BL1460B BL1830B BL1850B BL1860B etc. [Safe to Use]Equipped with overload, over current, overheat, low voltage protection. that the battery will stop working when the battery voltage is lower than 21V, and use it with confidence to avoid over-discharge of the battery and damage to the battery Product parameters: Voltage: 13.5-21V Luminous flux: 350-1300LM Color temperature: 5500-6500K Power: 3.5-12W Installation interface: lithium battery interface Control system: Stepless speed regulation Note: Due to different production batches, the label words on the product are random. The actual product may have slight differences or color differences. This does not affect the applicability. Material: plastic fit & colour: C-for , Blue Package Contents: 1 x Emergency small desk lamp (battery not included, please remember to remove the battery when not in use to in case of draining battery.) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.