Specification Brand : Generic BulletPoint : 2PCS NE555 Adjustable Module Square Rectangular Wave Stepping Motor Driver LED Indicator Pulse Generator Frequency Duty Cycle BulletPoint1 : Stable : This schumann resonance sine generator adopts DSP synthesis technology, with the features of stable and stability, which is very practical. BulletPoint2 : Multifunctional: This schumann resonance generator is multifunctional and can be connected to an oscilloscope to observe waveforms, it can also be connected to an external speaker to feel the vibration of waveforms by hand. BulletPoint3 : Health Benefiting: This schumann pulse generator is beneficial to people's physical and mental relaxation, improves the body's perception of sound and images, and improves the body's health. BulletPoint4 : Excellent ABS Material: This schumann resonance pulse generator is made of excellent ABS material, which is sturdy and abrasion resistant, not easy to be damaged, and has a long service life. BulletPoint5 : Built In 850mAh Lithium Battery: This low frequency pulse generator has a built in 850mAh lithium battery, with a charging current of 250ma, full in about 6 hours, and a working current of about 7MA, the full battery can be used for about 100 hours, very convenient to use. Color : As the Pic Show ExternallyAssignedProductIdentifier : 7646330667112 IncludedComponents : Non-active ItemName : 2PCS NE555 Adjustable Module Square Rectangular Wave Stepping Motor Driver LED Indicator Pulse Generator Frequency Duty Cycle ItemPackageDimensions_Height : 3 centimeters ItemPackageDimensions_Length : 17 centimeters ItemPackageDimensions_Width : 16 centimeters ItemTypeKeyword : function-generators Manufacturer : Generic Material : Metal ModelName : BRRNOOkbmcde9sw4 ModelNumber : TYTOGEcp0dhki51f NumberOfBoxes : 1 NumberOfItems : 1 PartNumber : LFYSN_QIJJ_10361 ProductDescription : 2PCS NE555 Adjustable Module Square Rectangular Wave Stepping Motor Driver LED Indicator Pulse Generator Frequency Duty Cycle ProductSiteLaunchDate : 2024-09-11T09:51:58.333Z Size : as the pic show SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 1 UnspscCode : 26111500