4.0V 20mA Solar Cell

High Efficiency Miniature Solar Cell, for use with 4V motors and other small load applications. Can be combined in series or parallel arrangements for increased voltage or current. Ideal for use with dc motors or other 4V loads.

Features

· Monocrystalline Black Solar Cell

· Efficiency: 15.0%

· Peak Voltage (Vmp): 3.88V

· Open Circuit Voltage (Voc): 4.4V

· Peak Current (Imp): 20mA

· Short Circuit Current (Isc): 21.6mA

· Dimensions: 40mm x 26mm x 2.8mm (LxWxD)

High quality LED bluetooth stereo lamp with Remote Control e27 220V rgb led lights 5W remote control switch bluetooth receiver-in LED Bulbs lamp

A Bluetooth audio lamp, comprising a master and at least two speakers lamp, wherein the host receives and processes the Bluetooth music signal and the processed music signal supplied to the speaker lamps; speaker lamp comprises a base, the the base comprises a cylinder, one end of said cylindrical body forming a rim extending outwardly, is provided in the wall of the cylinder body inwardly projecting flange; sound chamber rear end is provided with a passive plate cylinder, the sound chamber above the front cylinder of the first side of the flange sealing ring connected by; horn through a second seal with the sealing flange connected to the other side, with the sound chamber cylinder constitutes speakers; with LED lights LED aluminum plate fixed to the beads on the side remote from the rim of the passive plate, the LED lamp is powered by a LED driver circuit. 

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