Digital School Bell Timer Switch, ZTY-08 Smart Microcomputer Automatic Bell Controller, 220V, 80 Programmable Time Groups

1. Parameters This automatic buzzer timer is designed with a high-performance microprocessor. Note: Battery not included; shipping by carrier is not permitted. Specifications Operating Voltage AC 240 V Timing Error 0.5 s/day Load Capacity Resistance 25 A Temperature -10 °C to +50 °C Dimensions: 126 × 88 × 51 mm Maximum Duration 1 s to 23 h 59 min 59 s Voltage Range 85% to 110% Power Consumption < 4 W Relative Humidity < 95% BUTTON GUIDE 6 buttons: “MODE”, “SELE”, “+”, “-”, “AUTO/MAN”, “RESET” MODE Functional Menu. Click to access programming mode. Allows selection between TC, PROG, ER. Press and hold for 3 seconds to return to the time display. SELECT Optional Parameter. In the function menu, click to select the desired parameter. The selected parameter will flash. + Increase. Increases the value of the selected parameter. - Decrease. Decreases the value of the selected parameter. AUTO/MAN In clock mode, click the "AUTO/MAN" button to select the mode: ON, AUTO, OFF; In programming mode, click it to cancel the current program setting (display "--:--"). Click again to keep this program. RESET Click it to cancel the entire program. The clock displays 00:00:00. 2. Product Display Use: Timer Technology: Electronic Model Number: ZTY-08 Type: Mini