Best Alarm Alkaline Battery

Kidde Fire Sentry Smoke Detector, 9V Battery Powered Smoke Alarm, 4 Inch Compact Design

At only 4-inches in diameter, this is one of the smallest smoke detectors you can install in your home, RV, and mobile home.
Operating on a 9-volt alkaline battery, the Kidde smoke alarm provides reliable detection of smoke or fire, even during power outages.
Installation is easy, no wiring required. The alarm can be installed on the surface of any wall or ceiling.
Uses ionization sensing technology to detect smoke from flaming fires and emits a loud 85 decibel alarm when fire particles are detected.
Test button tests unit's electronic circuitry horn and battery function.
Meets the UL requirements and widely-accepted safety standards.

【Durable】 Unlike other cheap clock, this round alarm clock is composed of solid metal frame, glass clock cover and plastic rear cover..
【No Ticking Noise】 This bedside alarm clock is quiet and does not make annoying ticking sound. It is suitable for people who are sensitive while sleeping..
【Soft Backlight】Only via pressing the button, you can see the backlight light up. It is quite soft for your eyes when you need to check time at midnight..
【Easy to Operate】 Thanks to the simple design, it is very easy to set time and alarm, turn on/off the alarm, and light up backlight..
【Battery Operated】 The clock is charged by an AA battery, which is NOT included in the package. To prolong the service life, we recommend to use non-alkaline battery..

【Durable】 Unlike other cheap clock, this round alarm clock is composed of solid metal frame, glass clock cover and plastic rear cover..
【No Ticking Noise】 This bedside alarm clock is quiet and does not make annoying ticking sound. It is suitable for people who are sensitive while sleeping..
【Soft Backlight】Only via pressing the button, you can see the backlight light up. It is quite soft for your eyes when you need to check time at midnight..
【Easy to Operate】 Thanks to the simple design, it is very easy to set time and alarm, turn on/off the alarm, and light up backlight..
【Battery Operated】 The clock is charged by an AA battery, which is NOT included in the package. To prolong the service life, we recommend to use non-alkaline battery..

【Durable】 Unlike other cheap clock, this round alarm clock is composed of solid metal frame, glass clock cover and plastic rear cover..
【No Ticking Noise】 This bedside alarm clock is quiet and does not make annoying ticking sound. It is suitable for people who are sensitive while sleeping..
【Soft Backlight】Only via pressing the button, you can see the backlight light up. It is quite soft for your eyes when you need to check time at midnight..
【Easy to Operate】 Thanks to the simple design, it is very easy to set time and alarm, turn on/off the alarm, and light up backlight..
【Battery Operated】 The clock is charged by an AA battery, which is NOT included in the package. To prolong the service life, we recommend to use non-alkaline battery..

【4-in-1 Door Alarm】: 1. General alarm. When the door is closed, it will stop.
2.Constant Alarm. It will continue to alarm, even if you close the....
【Door & Window Alarm】: It can be used for doors, windows, refrigerators, file cabinets, pool sliding door etc. 108dB alert sound can effectively....
【Battery Powered】: This door alarm needs 2*AAA Alkaline Batteries. You could choose "no battery" or "4*AAA". When the power is low, the LED light....
【Simple Installation】: Just peel the sticker and stick it directly at the place you want to install. First please make sure which place you want....
【Warranty】: During installation, the distance between the alarm and the magnetic strip must be less than 10mm. And our warranty period is one....

3-Sided LED display: 0.9" White LED primary display.
.6" White LED secondary displays shows selectable display options: Time, Indoor temperature & humidity, or Calendar, Alarm Time(s).
Dual crescendo alarms with 10 min snooze.
Adjustable dimmer display (HI/LO) and Adjustable alarm volume HI/LO/OFF.
AC powered and Optional battery backup: 1 “9V" Alkaline battery (not included).

Metallic iron look, well made, color bronze, large black Arabic numbers，an awesome clear and simple style, looks conspicuous in your nightstand..
The twin bell design and a mini-hammer offer an extra loud ringing, perfect for heavy sleepers, hearing impaired even deaf. Without snooze function, good wake-up alarm for trouble waking up..
Retro look analog alarm clock with silent & non-ticking second hands, benefited from premium quartz movement, requires 1 AA alkaline battery, helps you keep track of your day more accurately..
Two dials for your easy clock setting, individual alarm switch, the backside white light button protrudes a little for your easy access pushing to get the nightlight to know night time..
Size 4 ½ * 2 * 6 ¼ in (L*W*H), one AA battery operated ( not included)..

Alarm:Single, Model:SPC844 A, Product Type:Quartz Travel Alarm, Dial:Easy to Read, Display Type:Analog, Mpn:SPC844 A, Non-Domestic Product:No.
Power:One AA Alkaline Battery Not Included, Modified Item:No, Feature:Ascending Alarm, Snooze:Four Minute, Features:Alarm, Display:Analog.
Main Color:Black, Custom Bundle:No, Backlight:On Demand Auto Off, Type:Quartz Travel Alarm, Color:Black, Brand:Sharp.

Metallic iron look, well made, color silver, large black Arabic numbers，an awesome clear and simple style, looks conspicuous in your nightstand..
The twin bell design and a mini-hammer offer an extra loud ringing, perfect for heavy sleepers, hearing impaired even deaf. Without snooze function, good wake-up alarm for trouble waking up..
Retro look analog alarm clock with silent & non-ticking second hands, benefited from premium quartz movement, requires 1 AA alkaline battery, helps you keep track of your day more accurately..
Two dials for your easy clock setting, individual alarm switch, the backside white light button protrudes a little for your easy access pushing to get the nightlight to know night time..
Size 4 ½ * 2 * 6 ¼ in (L*W*H), one AA battery operated ( not included)..