Description Adjustable Handheld Signal Generator PWM Pulse Rectangular Sine Triangular 4-20mA 2-10V Feature: 1. The signal generator supports multiple adjustable modes including PWM mode, pulse mode, signal source mode, sine mode. 2. Hand-held signal generator is easy to carry, easy to operate and practical. 3. Built-in 1000mAH, 3.7V rechargeable lithium battery, it can work continuously for 8 hours after the battery is fully charged. 4. The voltage, frequency and duty cycle are all adjustable at PWM mode, with a high accuracy of 0.1%. 5. Frequency of sine and triangular can be adjusted in a wide range. Specification: Item Type: Signal Generator Power Supply Voltage: USB 5V Product Function: PWM mode, pulse mode, signal source mode, sine mode PWM Mode: Voltage, frequency, duty cycle are adjustable, frequency accuracy of 0.1%; voltage range: 1-24v, frequency range: 1-150khz, duty cycle range: 0-100% Pulse Mode: Initial delay time t0: 0-60s, high level time t1: 0-60s, low level time t2: 0-60s, pulse number p-n: 1-99999999, resolution: 0.001 s Signal Source Mode: Voltage source 2-10V adjustable, current source 4-20mA adjustable Sine Mode: 1-999999HZ adjustable (triangular adjustable range is the same) Signal Load Capacity: Output current maximum 20mA (Note: This product is output is a signal source, can not directly drive high-power load) Environment Temperature: -10 ~ +70 Size(LxWxH): 92 x 70 x 28mm / 3.6 x 2.8 x 1.1in Built-in Battery: 3.7V lithium battery, 1000mAH Package List: 1 x Signal Generator 1 x USB Charging Cable 1 x Banana to CrocodileClip 2P Red Black Cable 1) We accept Alipay, West Union, TT.All major credit cards are accepted through secure payment processor ESCROW. 2) Payment must be made within 3 days of order. 3) If you cant checkout immediately after auction close, please wait for a few minutes and retry Payments must be completed within 3 days. About shipping 1. WORLDWIDE SHIPPING.(Except some countries and APO/FPO) 2. Orders processedtimely after thepayment verification. 3. We ship to confirmed order addresses. Your order address MUST MATCH your Shipping address. 4. The images shown are not the actual item and are for your reference . 5. SERVICE TRANSIT TIME is provided by the carrier and excludes weekends and holidays. Transit times may vary, particularly during the holiday season. 6. If you have not received your shipment within the period, please contact us. We will track the shipment and get back to you as soon as possible with a reply. Our goal is customer satisfaction! 7. Due to stock status and time differences, we will choose to ship your item from our first available warehouse for fast delivery. 8. We seller are not in charge of import duty, buyer is responsible for that. Any dispute caused by this is unreasonable. 9. BR buyer please provide the cpf or cnpj, it will be better for you to get it more quickly. thanks Return and Refund 1. You have 7 days to contact us and 30 days to return it from the date it was received. If this item is in your possession more than 7 days, it is considered used and WE WILL NOT ISSUE YOU A REFUND OR REPLACEMENT. There are NO EXCEPTIONS! Shipping cost is bear by both seller and buyer in half. 2. All returned items MUST BE in the original packaging and you MUST PROVIDE us with the shipping tracking number, specific reason for the return, and your po#. 3. We will refund YOUR FULL WINNING BID AMOUNT, upon receipt of the item in its original condition and packaging with all components and accessories included, AFTER BOTH Buyer and Seller cancel the transaction from aliexpress. OR, you may choose to have a replacement. 4.We will bear all the shipping cost if the product(s) is (are) not as advertised. About feedback We maintain high standards of excellence and strive for 100% customer satisfaction! Feedback is very important We request that you contact us immediately BEFORE you give us neutral or negative feedback, so that we can satisfactorily address your concerns.It is impossible to address issues if we do not know about them!