SINOTIMER SVP-918 Adjustable Self-resetting Intelligent Under-voltage Protector, Current:, 40A, 63A1. Power supply: 230V AC 50 60Hz 2. Current: 40 63A 3. Over voltage protection value range: 230 300V 4. Under voltage protection value range: 210 140V 5. Installation: 35mm DIN rail 6. Material: ABS + electronic components 7. Size: about 8. 5x6. 5x3. 7cm 8. Weight: about 184 grams Features: 1. Over voltage protection 2. Under voltage protection 3. Over current protection 4. Automatic recovery 5. Adjustable recovery delay time 6. Voltage display

Additional functions: support Bluetooth

four-wire connection

Frequency Range: 35H2-18KH2

Weight: 60g / 86g / 131g

78 inch full capacitive screen

to achieve stable audio transmission

84inch * 24

One Package Size 12cm * 8cm * 10

prevent the intrusion of rain and sweat

Loading Container 20GP: 305 cartons * 910 pcs = 277550 pcs

laptops with Bluetooth devices

General Compatible with Ulefone:  Armor 21