Features 1、Adopt of amorphous alloy core, with high performance, low loss 2、Various current test range, 4A, 40A, 200A, 200-400A test range are available 3、Band wide up to 100KHz, low battery indication 4、Auto zero at power on, relative zero correction 5、Low noise level, and high detection accuracy Specification Features: Adopt of amorphous alloy core, with high performance, low loss Various current test range, 4A, 40A, 200A, 200-400A test range are available Band wide up to 200KHz, low battery indication Auto zero at power on, relative zero correction Low noise level, and high detection accuracy Specification: Model CP-05+ Test Range 1mA - 400A Bandwidth DC - 200KHz (±3dB) Jaw Size 23mm (max) Auto Zero at Power-on yes Power Supply 9V 6F22 Battery(not included) Operating Temperature 0℃ to 50℃ Operating Humidity 15% to 70% RH DC Current Range AC 4A AC 40A AC 200A AC 200A - 400A Accuracy ±2.0%rdg ± 5-digit ±3.0%rdg ± 5-digit Sensitivity 1mV/10mA 1mV/0.1A 1mV/1A AC Current Range DC 4A DC 40A DC 200A DC 200 - 400A Accuracy ±1.5%rdg ± 5-digit ±3.0%rdg ± 5-digit Sensitivity 1mV/10mA 1mV/0.1A 1mV/1A Dimension 18.5*6.8*2.5cm/7.3*2.7*1in Weight 272g/9.6oz Package list: 1 x AC/DC Clamp Current Probe(battery not included) 1 x Pouch 1 x User Manual Package List